change in poverty is measured as the change in the logarithm of the odds ratio of being poor logh h and export growth is the log difference in per capita real exports between and the fitted regression line has a highly significant coefficient of with an r of which is double the r for the overall sample obtained in the section entitled exports and poverty therefore it will not be surprising to find that the distinction between the successful countries and those lagging behind made above on the basis of poverty trends is also mirrored in relation to export performance of the two groups to detect causality one needs to investigate the channels through which export growth is linked to changes in poverty by detailed case studies in each individual country