Recent research examining the growth impacts of institutions have found that institutions are important in fostering economic growth. By building a framework around the institutional taxonomy proposed by Rodrik (2005), our paper contributes to the literature in the following way. First, we confirm the result that "institutions matter" and show that different types of institutions matter differently for growth. By applying a dynamic panel model, we find that market-creating and market-stabilising institutions are important in fostering economic growth. We then extend this analysis and investigate whether countries at different levels of development could respond heterogeneously to changes in their institutional structure. We find that poor countries benefit the most from market-creating institutions and institutions that support market stability. We also find some evidence that market-legitimising institutions such as "democracy" are not necessarily optimal for growth in poor countries. These results have important implications for countries that decide on the optimal strategy to improve their institutional framework.

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This paper presents new empirical evidence on the effectiveness of Bank of Japan's foreign exchange interventions on the daily realized volatility of USD/JPY exchange rates using high frequency data. Following Huang and Tauchen (2005) and Shephard (2004, 2006), we use bi-power variation to decompose daily realized volatility into two components: the smooth persistent and the discontinuous jump components. We model exchange rate returns, the different components of realized volatility and the central bank intervention using a system of simultaneous equations. We find strong support that interventions by Bank of Japan had increased both the continuous and the jump components of daily realized volatility. This suggests that the interventions by Bank of Japan had increased market volatility which not only caused short-lived positive jumps but were also persistent over time. We did not find any evidence that interventions were effective in influencing the exchange rate returns for the entire sample period. Keywords AbstractThis paper presents new empirical evidence on the effectiveness of Bank of Japan's foreign exchange interventions on the daily realized volatility of USD/JPY exchange rates using high frequency data. Following Huang and Tauchen (2005) and Shephard (2004, 2006), we use bi-power variation to decompose daily realized volatility into two components: the smooth persistent and the discontinuous jump components. We model exchange rate returns, the different components of realized volatility and the central bank intervention using a system of simultaneous equations. We find strong support that interventions by Bank of Japan had increased both the continuous and the jump components of daily realized volatility. This suggests that the interventions by Bank of Japan had increased market volatility which not only caused short-lived positive jumps but were also persistent over time. We did not find any evidence that interventions were effective in influencing the exchange rate returns for the entire sample period.