In this paper, the convergence of income per capita across U.S. metropolitan statistical areas (metros) are examined over the period between 1969 and 2011. We initiate the analysis with multivariate tests for stability, and the existence of unit roots. The analysis is complemented by the use of...

This paper examines the efficient market hypothesis for the wine market using a novel unit root test while accounting for sharp shifts and smooth breaks in the monthly data. We find evidence of structural shifts and nonlinearity in the wine indices. Contrary to the results from conventional...

While previous studies focus on linear unit root test to study the convergence of carbon price in some developed countries and the results might be biased due to the lower power of these linear unit root tests. China provides an interesting arena to investigate its carbon price convergence due...