References Akaike, H. (1974). A new look at the statistical model identification. IEEE Transactions on Automatic Control, AC-19(6):716-723. Bernard, A. B. and Durlauf, S. N. (1995). Convergence in international output. Journal of Applied Econometrics, 10:97-108. Bernard, A. B. and Durlauf, S. N. (1996). Interpreting tests of the convergence hypothesis. Journal of Econometrics, 71:161-173. Breusch, T. and Pagan, A. (1979). A simple test for heteroscedasticity and random coefficient variation. Econometrica, 47(5):1287-1294. Brunt, L. and Cannon, E. (2014). Measuring integration in the English wheat market, 1770-1820: New methods, new answers. Explorations in Economic History, 52:111-130. Casals, J., Sotoca, S., and Jerez, M. (2009). Modelling and forecasting time series sampled at different frequencies. Journal of Forecasting, 28(4):316-342. Clark, G. (2015). Markets before economic growth: the grain market of medieval England. Cliometrica, 9(3):265-287. Cournot, A. (1897). Researches into the mathematical principles of the theory of wealth, 1838. Translated by N.T. Bacon. The MacMillan Company, New York. Cram_er, H. (1946). Mathematical Models of Statistics, page 353. Uppsala: Almqvist and Wiksells. Davis, R. A., Chen, M., and Dunsmuir, W. T. M. (1995). Inference for MA(1) processes with a root on or near the unit circle. Probability and Mathematical Statistics, 15:227-242. Deaton, A. S. (1999). Commodity prices and growth in Africa. Journal of Economic Perspectives, 13(3):23-40. Dobado, R., Garcia-Hiernaux, A., and Guerrero, D. E. (2012). The integration of grain markets in the Eighteenth Century: early rise of globalization in the West. The Journal of Economic History, 72:671-707. Dobado, R., Garcia-Hiernaux, A., and Guerrero, D. E. (2015). West versus Far East: early globalization and the great divergence. Cliometrica, 9(2):235-264. Fama, E. (1970). Efficient capital markets: A review of theory and empirical work. Journal of Finance, 25(2):383-417. Hannan, E. J. and Quinn, B. G. (1979). The determination of the order of an autoregression. Journal of the Royal Statistical Association B, 41:713-723. Hobijn, B. and Franses, P. H. (2000). Asymptotically perfect and relative convergence of productivity. Journal of Applied Econometrics, 15:59-81. Ke, S. (2015). Domestic market integration and regional economic growth: China's recent experience from 1995{2011. World Development, 66:588-597. Lanne, M. and Lütkepohl, H. (2002). Unit root tests for time series with level shifts: a comparison of different proposals. Economics Letters, 75:109-114. Lanne, M., Lütkepohl, H., and Saikkonen, P. (2002). Comparison of Unit Root tests for time series with level shifts. Journal of Time Series Analysis, 23(6):667-685. Ljung, G. M. and Box, G. E. P. (1978). On a measure of lack of _t in time series models. Biometrika, 65:297-303. Lo, A. (2004). Market efficiency from an evolutionary perspective. Journal of Portfolio Management, 30:15-29. Lo, A. (2005). Reconciling efficient markets with behavioral finance: The Adaptive Markets Hypothesis. Journal of Investment Consulting, 7:21-24. Quah, D. (1997). Empirics for growth and distribution: Stratification, polarization, and convergence clubs. Journal of Economic Growth, 2:27-59. Saikkonen, P. and Lütkepohl, H. (2002). Testing for a unit root in a time series with a level shift at unknown time. Econometric Theory, 18:313-348. Schäfer, A. and Steger, T. (2014). Journey into the unknown? Economic consequences of factor market integration under increasing returns to scale. Review of International Economics, 22(4):783-807. Shin, D. and Fuller, W. (1998). Unit-root tests based on unconditional maximum likelihood estimation for the autoregressive moving average. Journal of Time Series Analysis, 19:591-599. Shiue, C. H. and Keller, W. (2007). Markets in china and Europe on the eve of the industrial revolution. The American Economic Review, 97(4):1189-1216. Stigler, G. J. and Sherwin, R. A. (1985). The extent of the market. Journal of Law and Economics, 28(3):555-585. Treadway, A. B. (2009). Theory of the extent of the market. SSRNeLibrary: http://ssrn.com/abstract=1372165.