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International finance

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The intertemporal approach to the current account is often regarded as theoretically elegant but of limited empirical significance. This paper derives highly tractable current account and investment specifications that we estimate without resorting to calibration or simulation methods. In time-series data for eight industrialized countries, we find that country-specific productivity shocks tend to worsen the current account, whereas global shocks have little effect. Both types of shock raise investment. It is a puzzle, however, for the intertemporal model that long-lasting local productivity shocks have a larger impact effect on investment than on current account.