China's Regional Convergence in Panels with Multiple Structural Breaks
Author
Suggested Citation
Download full text from publisher
References listed on IDEAS
- Chen, Jian & Fleisher, Belton M., 1996. "Regional Income Inequality and Economic Growth in China," Journal of Comparative Economics, Elsevier, vol. 22(2), pages 141-164, April.
- Martin Raiser, 1998.
"Subsidising inequality: Economic reforms, fiscal transfers and convergence across Chinese provinces,"
Journal of Development Studies, Taylor & Francis Journals, vol. 34(3), pages 1-26.
- Raiser, Martin, 1996. "Subsidising inequality: Economic reforms, fiscal transfers and convergence across Chinese provinces," Kiel Working Papers 758, Kiel Institute for the World Economy (IfW Kiel).
- Pedroni, Peter & Yao, James Yudong, 2006.
"Regional income divergence in China,"
Journal of Asian Economics, Elsevier, vol. 17(2), pages 294-315, April.
- Peter Pedroni & James Yudong Yao, 2005. "Regional Income Divergence in China," Department of Economics Working Papers 2005-03, Department of Economics, Williams College.
- Wu, Jyh-Lin & Wu, Shaowen, 2001. "Is Purchasing Power Parity Overvalued?," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 33(3), pages 804-812, August.
- Bernard, Andrew B & Durlauf, Steven N, 1995.
"Convergence in International Output,"
Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 10(2), pages 97-108, April-Jun.
- Bernard, A.B. & Durlauf, S.N., 1993. "Convergence in International Output," Working papers 93-7, Massachusetts Institute of Technology (MIT), Department of Economics.
- Hashem Pesaran, M., 2007.
"A pair-wise approach to testing for output and growth convergence,"
Journal of Econometrics, Elsevier, vol. 138(1), pages 312-355, May.
- Pesaran, M. Hashem, 2004. "A Pair-Wise Approach to Testing for Output and Growth Convergence," IZA Discussion Papers 1313, Institute of Labor Economics (IZA).
- Pesaran, M.H., 2004. "A Pair-wise Approach to Testing for Output and Growth Convergence," Cambridge Working Papers in Economics 0453, Faculty of Economics, University of Cambridge.
- M. Hashem Pesaran, 2004. "A Pair-Wise Approach to Testing for Output and Growth Convergence," CESifo Working Paper Series 1308, CESifo.
- Evans, Paul, 1998.
"Using Panel Data to Evaluate Growth Theories,"
International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 39(2), pages 295-306, May.
- Evans, P, 1996. "Using Panel Data to Evaluate Growth Theories," ISER Discussion Paper 0397, Institute of Social and Economic Research, Osaka University.
- Im, Kyung So & Pesaran, M. Hashem & Shin, Yongcheol, 2003.
"Testing for unit roots in heterogeneous panels,"
Journal of Econometrics, Elsevier, vol. 115(1), pages 53-74, July.
- Pasaran, M.H. & Im, K.S. & Shin, Y., 1995. "Testing for Unit Roots in Heterogeneous Panels," Cambridge Working Papers in Economics 9526, Faculty of Economics, University of Cambridge.
- Tom Doan, "undated". "IPSHIN: RATS procedure to implement Im, Pesaran and Shin panel unit root test," Statistical Software Components RTS00098, Boston College Department of Economics.
- Suzanne McCoskey, 2002. "Convergence in Sub-Saharan Africa: a nonstationary panel data approach," Applied Economics, Taylor & Francis Journals, vol. 34(7), pages 819-829.
- Robert J. Barro, 1991.
"Economic Growth in a Cross Section of Countries,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 106(2), pages 407-443.
- Barro, R.J., 1989. "Economic Growth In A Cross Section Of Countries," RCER Working Papers 201, University of Rochester - Center for Economic Research (RCER).
- Robert J. Barro, 1989. "Economic Growth in a Cross Section of Countries," NBER Working Papers 3120, National Bureau of Economic Research, Inc.
- Evans, Paul & Karras, Georgios, 1996. "Convergence revisited," Journal of Monetary Economics, Elsevier, vol. 37(2-3), pages 249-265, April.
- N. Gregory Mankiw & David Romer & David N. Weil, 1992.
"A Contribution to the Empirics of Economic Growth,"
The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 107(2), pages 407-437.
- N. Gregory Mankiw & David Romer & David N. Weil, 1990. "A Contribution to the Empirics of Economic Growth," NBER Working Papers 3541, National Bureau of Economic Research, Inc.
- N. Gregory Mankiw & David Romer & David Weil, 1990. "A Contribution to the Empirics of Economic Growth," Working Papers 1990-24, Brown University, Department of Economics.
- Zivot, Eric & Andrews, Donald W K, 2002.
"Further Evidence on the Great Crash, the Oil-Price Shock, and the Unit-Root Hypothesis,"
Journal of Business & Economic Statistics, American Statistical Association, vol. 20(1), pages 25-44, January.
- Zivot, Eric & Andrews, Donald W K, 1992. "Further Evidence on the Great Crash, the Oil-Price Shock, and the Unit-Root Hypothesis," Journal of Business & Economic Statistics, American Statistical Association, vol. 10(3), pages 251-270, July.
- Eric Zivot & Donald W.K. Andrews, 1990. "Further Evidence on the Great Crash, the Oil Price Shock, and the Unit Root Hypothesis," Cowles Foundation Discussion Papers 944, Cowles Foundation for Research in Economics, Yale University.
- Jeremy Berkowitz & Lutz Kilian, 2000.
"Recent developments in bootstrapping time series,"
Econometric Reviews, Taylor & Francis Journals, vol. 19(1), pages 1-48.
- Jeremy Berkowitz & Lutz Kilian, "undated". "Recent Developments in Bootstrapping Time Series," Finance and Economics Discussion Series 1996-45, Board of Governors of the Federal Reserve System (U.S.), revised 10 Dec 2019.
- Jeremy Berkowitz & Lutz Kilian, 1996. "Recent developments in bootstrapping time series," Finance and Economics Discussion Series 96-45, Board of Governors of the Federal Reserve System (U.S.).
- Gundlach, Erich, 1997. "Regional convergence of output per worker in China: A neoclassical interpretation," Open Access Publications from Kiel Institute for the World Economy 1765, Kiel Institute for the World Economy (IfW Kiel).
- Jian, Tianlun & Sachs, Jeffrey D. & Warner, Andrew M., 1996.
"Trends in regional inequality in China,"
China Economic Review, Elsevier, vol. 7(1), pages 1-21.
- Jian, T & Sachs, J-D & Warner, A-M, 1995. "Trends in Regional Inequality in China," Papers 518, Harvard - Institute for International Development.
- Jian, Tianlun & Sachs, Jeffrey & Warner, Andrew, 1995. "Trends In Regional Inequality In China," Harvard Institute for International Development (HIID) Papers 294049, Harvard University, Kennedy School of Government.
- Tianlun Jian & Jeffrey D. Sachs & Andrew M. Warner, 1996. "Trends in Regional Inequality in China," NBER Working Papers 5412, National Bureau of Economic Research, Inc.
- Les Oxley & David Greasley, 1995. "A Time‐Series Perspective on Convergence: Australia, UK and USA since 1870," The Economic Record, The Economic Society of Australia, vol. 71(3), pages 259-270, September.
- Banerjee, Anindya & Carrion-i-Silvestre, Josep Lluís, 2006.
"Cointegration in panel data with breaks and cross-section dependence,"
Working Paper Series
591, European Central Bank.
- Anindya Banerjee & Josep Lluis Carrion-i-Silvestre, 2011. "Cointegration in Panel Data with Breaks and Cross-section Dependence," Discussion Papers 11-25, Department of Economics, University of Birmingham.
- Anindya Banerjee & Josep Lluís Carrion-i-Silvestre, 2006. "Cointegration in Panel Data with Breaks and Cross-Section Dependence," Economics Working Papers ECO2006/5, European University Institute.
- Perron, Pierre, 1989.
"The Great Crash, the Oil Price Shock, and the Unit Root Hypothesis,"
Econometrica, Econometric Society, vol. 57(6), pages 1361-1401, November.
- Perron, P, 1988. "The Great Crash, The Oil Price Shock And The Unit Root Hypothesis," Papers 338, Princeton, Department of Economics - Econometric Research Program.
- Leybourne, Stephen J. & C. Mills, Terence & Newbold, Paul, 1998. "Spurious rejections by Dickey-Fuller tests in the presence of a break under the null," Journal of Econometrics, Elsevier, vol. 87(1), pages 191-203, August.
- Smyth, Russell & Inder, Brett, 2004. "Is Chinese provincial real GDP per capita nonstationary?: Evidence from multiple trend break unit root tests," China Economic Review, Elsevier, vol. 15(1), pages 1-24.
- Rawski, Thomas G., 2001. "What is happening to China's GDP statistics?," China Economic Review, Elsevier, vol. 12(4), pages 347-354.
- repec:bla:ecorec:v:71:y:1995:i:214:p:259-70 is not listed on IDEAS
- Li, Qing & Papell, David, 1999. "Convergence of international output Time series evidence for 16 OECD countries," International Review of Economics & Finance, Elsevier, vol. 8(3), pages 267-280, September.
- Quah, D., 1990.
"Galton'S Fallacy And The Tests Of The Convergence Hypothesis,"
Working papers
552, Massachusetts Institute of Technology (MIT), Department of Economics.
- Quah, Danny, 1993. "Galton's Fallacy and Tests of the Convergence Hypothesis," CEPR Discussion Papers 820, C.E.P.R. Discussion Papers.
- Peter C. B. Phillips & Donggyu Sul, 2003. "Dynamic panel estimation and homogeneity testing under cross section dependence *," Econometrics Journal, Royal Economic Society, vol. 6(1), pages 217-259, June.
- Lee Kian Lim & Michael McAleer, 2004.
"Convergence and catching up in ASEAN: a comparative analysis,"
Applied Economics, Taylor & Francis Journals, vol. 36(2), pages 137-153.
- Lee Kian Lim & Michael McAleer, 2003. "Convergence and Catching Up in ASEAN: A Comparative Analysis," CIRJE F-Series CIRJE-F-218, CIRJE, Faculty of Economics, University of Tokyo.
- Quah, Danny, 1993.
"Empirical cross-section dynamics in economic growth,"
European Economic Review, Elsevier, vol. 37(2-3), pages 426-434, April.
- Danny Quah, 1992. "Empirical Cross-Section Dynamics in Economic Growth," FMG Discussion Papers dp154, Financial Markets Group.
- Danny Quah, 1992. "Empirical cross-section dynamics in economic growth," Discussion Paper / Institute for Empirical Macroeconomics 75, Federal Reserve Bank of Minneapolis.
- G. S. Maddala & Shaowen Wu, 1999. "A Comparative Study of Unit Root Tests with Panel Data and a New Simple Test," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 61(S1), pages 631-652, November.
- Levin, Andrew & Lin, Chien-Fu & James Chu, Chia-Shang, 2002.
"Unit root tests in panel data: asymptotic and finite-sample properties,"
Journal of Econometrics, Elsevier, vol. 108(1), pages 1-24, May.
- Tom Doan, "undated". "LEVINLIN: RATS procedure to perform Levin-Lin-Chu test for unit roots in panel data," Statistical Software Components RTS00242, Boston College Department of Economics.
- Bernard, Andrew B. & Durlauf, Steven N., 1996.
"Interpreting tests of the convergence hypothesis,"
Journal of Econometrics, Elsevier, vol. 71(1-2), pages 161-173.
- Bernard, A.B. & Durlauf, S.N., 1994. "Interpreting Tests of the Convergence Hypothesis," Working papers 9401r, Wisconsin Madison - Social Systems.
- Andrew B. Bernard & Steven N. Durlauf, 1994. "Interpreting Tests of the Convergence Hypothesis," NBER Technical Working Papers 0159, National Bureau of Economic Research, Inc.
- repec:bla:obuest:v:61:y:1999:i:0:p:631-52 is not listed on IDEAS
- Pierre Perron, 1994. "Trend, Unit Root and Structural Change in Macroeconomic Time Series," Palgrave Macmillan Books, in: B. Bhaskara Rao (ed.), Cointegration, chapter 4, pages 113-146, Palgrave Macmillan.
- Bart Hobijn & Philip Hans Franses, 2000. "Asymptotically perfect and relative convergence of productivity," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 15(1), pages 59-81.
- repec:bla:reviec:v:9:y:2001:i:1:p:153-62 is not listed on IDEAS
- Quah, Danny T., 1996. "Empirics for economic growth and convergence," European Economic Review, Elsevier, vol. 40(6), pages 1353-1375, June.
- Carlino, Gerald A. & Mills, Leonard O., 1993. "Are U.S. regional incomes converging? : A time series analysis," Journal of Monetary Economics, Elsevier, vol. 32(2), pages 335-346, November.
- Kyung‐So Im & Junsoo Lee & Margie Tieslau, 2005. "Panel LM Unit‐root Tests with Level Shifts," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 67(3), pages 393-419, June.
- Lee, Kevin & Pesaran, M Hashem & Smith, Ron, 1997.
"Growth and Convergence in Multi-country Empirical Stochastic Solow Model,"
Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 12(4), pages 357-392, July-Aug..
- Kevin Lee & M. Hashem Pesaran & Ron Smith, "undated". "Growth and Convergence in a Multi-County empirical Stochastic Solow Model," Discussion Papers in Economics 96/14, Division of Economics, School of Business, University of Leicester.
- Kevin Lee & Hashem Pesaran & Ron Smith, 1996. "Growth and Convergence in a Multi-Country Empirical Stochastic Solow Model," Working Papers 9637, Economic Research Forum, revised 12 May 1996.
- Li, Xiao-Ming, 2000. "The Great Leap Forward, Economic Reforms, and the Unit Root Hypothesis: Testing for Breaking Trend Functions in China's GDP Data," Journal of Comparative Economics, Elsevier, vol. 28(4), pages 814-827, December.
- Robin L. Lumsdaine & David H. Papell, 1997.
"Multiple Trend Breaks And The Unit-Root Hypothesis,"
The Review of Economics and Statistics, MIT Press, vol. 79(2), pages 212-218, May.
- Tom Doan, "undated". "LPUNIT: RATS procedure to implement Lumsdaine-Papell unit root test with structural breaks," Statistical Software Components RTS00110, Boston College Department of Economics.
- Greasley, David & Oxley, Les, 1997. "Time-series based tests of the convergence hypothesis: Some positive results," Economics Letters, Elsevier, vol. 56(2), pages 143-147, October.
Citations
Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
Cited by:
- Johan Lyhagen & Johanna Rickne, 2014.
"Income inequality between Chinese regions: newfound harmony or continued discord?,"
Empirical Economics, Springer, vol. 47(1), pages 93-110, August.
- Lyhagen, Johan & Rickne, Johanna, 2011. "Income Inequality between Chinese Regions: Newfound Harmony or Continued Discord?," Working Paper Series 872, Research Institute of Industrial Economics.
- Cheong, Tsun Se & Wu, Yanrui, 2013.
"Regional disparity, transitional dynamics and convergence in China,"
Journal of Asian Economics, Elsevier, vol. 29(C), pages 1-14.
- Tsun Se Cheong & Yanrui Wu, 2012. "Regional Disparity, Transitional Dynamics and Convergence in China," Economics Discussion / Working Papers 12-23, The University of Western Australia, Department of Economics.
- Nicholas Apergis & Sayantan Ghosh Dastidar & Ghulam Mustafa, 2021. "Fracking and Asset Prices: The Role of Health Indicators for House Prices Across Oklahoma’s Counties," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 154(2), pages 583-602, April.
- Matsuki, Takashi & Usami, Ryoichi, 2008. "Long-run growth patterns within Asian NIEs: Empirical analysis based on the panel unit root test, allowing the heterogeneity of time trend and endogenous multiple structural breaks," MPRA Paper 11541, University Library of Munich, Germany.
Most related items
These are the items that most often cite the same works as this one and are cited by the same works as this one.- Pei-Chien Lin & Chun-Hung Lin & I-Ling Ho, 2013. "Regional convergence or divergence in China? Evidence from unit root tests with breaks," The Annals of Regional Science, Springer;Western Regional Science Association, vol. 50(1), pages 223-243, February.
- Matsuki, Takashi, 2019. "Per capita output convergence across Asian countries: Evidence from covariate unit root test with an endogenous structural break," Economic Modelling, Elsevier, vol. 82(C), pages 99-118.
- Eftychia Tsanana & Constantinos Katrakilidis, 2014. "Do Balkan economies catch up with EU? New evidence from panel unit root analysis," Empirica, Springer;Austrian Institute for Economic Research;Austrian Economic Association, vol. 41(4), pages 641-662, November.
- Zhang, Zongyi & Liu, Aying & Yao, Shujie, 2001. "Convergence of China's regional incomes: 1952-1997," China Economic Review, Elsevier, vol. 12(2-3), pages 243-258.
- Josep Carrion-i-Silvestre & Vicente German-Soto, 2009.
"Panel data stochastic convergence analysis of the Mexican regions,"
Empirical Economics, Springer, vol. 37(2), pages 303-327, October.
- Josep Lluís Carrion-i-Silvestre & Vicente German-Soto, 2008. "Panel Data Stochastic Convergence Analysis of the Mexican Regions," IREA Working Papers 200805, University of Barcelona, Research Institute of Applied Economics, revised Apr 2008.
- Lin, Pei-Chien & Huang, Ho-Chuan (River), 2012. "Inequality convergence revisited: Evidence from stationarity panel tests with breaks and cross correlation," Economic Modelling, Elsevier, vol. 29(2), pages 316-325.
- Pei-Chien Lin & Ho-Chuan Huang, 2012. "Convergence in income inequality? evidence from panel unit root tests with structural breaks," Empirical Economics, Springer, vol. 43(1), pages 153-174, August.
- Johan Lyhagen & Johanna Rickne, 2014.
"Income inequality between Chinese regions: newfound harmony or continued discord?,"
Empirical Economics, Springer, vol. 47(1), pages 93-110, August.
- Lyhagen, Johan & Rickne, Johanna, 2011. "Income Inequality between Chinese Regions: Newfound Harmony or Continued Discord?," Working Paper Series 872, Research Institute of Industrial Economics.
- Cheong, Tsun Se & Wu, Yanrui, 2013.
"Regional disparity, transitional dynamics and convergence in China,"
Journal of Asian Economics, Elsevier, vol. 29(C), pages 1-14.
- Tsun Se Cheong & Yanrui Wu, 2012. "Regional Disparity, Transitional Dynamics and Convergence in China," Economics Discussion / Working Papers 12-23, The University of Western Australia, Department of Economics.
- Diego Romero‐Ávila, 2009. "The Convergence Hypothesis For Oecd Countries Reconsidered: Panel Data Evidence With Multiple Breaks, 1870–2003," Manchester School, University of Manchester, vol. 77(4), pages 552-574, July.
- Matsuki, Takashi & Usami, Ryoichi, 2008. "Long-run growth patterns within Asian NIEs: Empirical analysis based on the panel unit root test, allowing the heterogeneity of time trend and endogenous multiple structural breaks," MPRA Paper 11541, University Library of Munich, Germany.
- Cunado, J. & Perez de Gracia, F., 2006. "Real convergence in Africa in the second-half of the 20th century," Journal of Economics and Business, Elsevier, vol. 58(2), pages 153-167.
- Liu, Wen-Chi, 2013. "Reexamining the income inequality in China: Evidence from sequential panel selection method," Economic Modelling, Elsevier, vol. 31(C), pages 37-42.
- Ucar, Nuri & Guler, Huseyin, 2010. "Testing stochastic income convergence in seasonal heterogeneous panels," Economic Modelling, Elsevier, vol. 27(1), pages 422-431, January.
- Nazrul Islam, 2003. "What have We Learnt from the Convergence Debate?," Journal of Economic Surveys, Wiley Blackwell, vol. 17(3), pages 309-362, July.
- Durlauf, Steven N. & Quah, Danny T., 1999.
"The new empirics of economic growth,"
Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 4, pages 235-308,
Elsevier.
- Durlauf,S.N. & Quah,D.T., 1998. "The new empirics of economic growth," Working papers 3, Wisconsin Madison - Social Systems.
- S Durlauf & Danny Quah, 1998. "The New Empirics of Economic Growth," CEP Discussion Papers dp0384, Centre for Economic Performance, LSE.
- Steven N. Durlauf & Danny T. Quah, 1998. "The New Empirics of Economic Growth," Working Papers 98-01-012, Santa Fe Institute.
- Steven N. Durlauf & Danny T. Quah, 1998. "The New Empirics of Economic Growth," NBER Working Papers 6422, National Bureau of Economic Research, Inc.
- Amélie Charles & Olivier Darne & Jean-François Hoarau, 2012.
"Convergence of real per capita GDP within COMESA countries: A panel unit root evidence,"
The Annals of Regional Science, Springer;Western Regional Science Association, vol. 49(1), pages 53-71, August.
- Amélie Charles & Olivier Darné & Jean-François Hoarau, 2012. "Convergence of real per capita GDP within COMESA countries: A panel unit root evidence," Post-Print hal-00956938, HAL.
- Giorgio Canarella & Stephen Miller & Stephen Pollard, 2011. "The Global Financial Crisis and Stochastic Convergence in the Euro Area," International Advances in Economic Research, Springer;International Atlantic Economic Society, vol. 17(3), pages 315-333, August.
- Maria Jesus Herrerias & Javier Ordóñez, 2014. "Stochastic Regional Convergence in China: The Role of Regional Clusters in a Nonlinear Perspective (1952–2007)," Pacific Economic Review, Wiley Blackwell, vol. 19(2), pages 153-169, May.
- repec:kap:iaecre:v:17:y:2011:i:3:p:315-333 is not listed on IDEAS
- Strazicich, Mark C. & Lee, Junsoo & Day, Edward, 2004. "Are incomes converging among OECD countries? Time series evidence with two structural breaks," Journal of Macroeconomics, Elsevier, vol. 26(1), pages 131-145, March.
More about this item
Keywords
panel unit root test; multiple breaks; combining p-values; nonstationary panels; China; convergence;All these keywords.
JEL classification:
- O47 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Empirical Studies of Economic Growth; Aggregate Productivity; Cross-Country Output Convergence
- C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
- C33 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Models with Panel Data; Spatio-temporal Models
NEP fields
This paper has been announced in the following NEP Reports:- NEP-CNA-2008-10-21 (China)
- NEP-ECM-2008-10-21 (Econometrics)
- NEP-GEO-2008-10-21 (Economic Geography)
- NEP-TRA-2008-10-21 (Transition Economics)
Statistics
Access and download statisticsCorrections
All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:pra:mprapa:10167. See general information about how to correct material in RePEc.
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Joachim Winter (email available below). General contact details of provider: https://edirc.repec.org/data/vfmunde.html .
Please note that corrections may take a couple of weeks to filter through the various RePEc services.