Abstract and Keywords
This chapter reviews recent developments in the analysis of macroeconomic panel data which typically involve aggregate variables from various countries. In contrast to the large N, small T framework that characterizes microeconomic panels, the two dimensions of a macroeconomic data set are more balanced, often providing a comparable number of time periods and countries (regions). Although this is inconsequential for the analysis based on the linear static panel data framework, it becomes crucial when estimating a dynamic model. A second important feature of macroeconomic data is cross-section dependence among countries. In many cases this dependence cannot be accommodated by a simple function of the geographical distance but also depends on trade relations and the level of economic development. Furthermore, cross-country data often exhibit a much richer pattern of heterogeneity that cannot be represented just by letting the intercept vary across countries. While it is often infeasible to allow for individual specific regression coefficients in a large N, small T panel framework, this may be a reasonable option when analyzing macroeconomic data.
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