We estimate annual gravity equations for 1960-85 on a large sample, allowing us to identify time trends in the coefficients. Our results include the following: (1) The weight of exporter's supply has increased relative to importers' demand in explaining the long-run strong performancee of global...

Significant progress has been made in quantifying the effects of non-tariff measures since OECD commissioned its last major review of this topic in 1997. This paper reviews the literature of NTMs and assesses the different methods available. Additionally, the paper develops a series of questions...

Trade liberalization may promote economic growth in a number of ways, including by accelerating the rate of technological change. Firms that face more intense import competition may be spurred to greater rates of innovation; firms which export may absorb new technologies through their contact...

Analyses of Colombian data have generally failed to confirm the hypothesis of export-led growth. This paper generates several measures of export diversification and structural change in exports, and argues that these measures are useful in assessing growth externalities generated by the export...

This paper presents a model in which politicians can increase the probability of election by making exaggerated claims about the benefits of their own platform--referred to as positive campaigning--and by exaggerating the undesirable characteristics of their rival--i.e., negative campaigning....