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BPEA Article

Capital Controls: Gates versus Walls


This paper examines the pattern of controls on cross-border
capital inflows and their association with measures of financial vulnerability,
GDP, and exchange rates. A key distinction is made between long-standing
controls that cover a broad range of assets (walls) and episodic controls that
tend to be imposed on a narrower set of assets (gates). The paper presents a new
data set that differentiates between controls on inflows and on outflows as well
as among asset categories for 44 developed and emerging market economies
over 1995–2010. The imposition of episodic controls is found not to have followed
the prescriptions of theories that suggest first imposing controls on those
inflows most likely to contribute to financial vulnerability. Estimates show significant
differences in the partial correlations of long-standing and episodic controls
with the growth of certain financial variables and with GDP growth, but
these differences seem to arise because countries with long-standing controls
are poorer on average than the other countries in the sample. With a few exceptions,
estimates that control for GDP per capita find little evidence that capital
controls affect the growth of these financial variables, the real exchange rate,
or GDP growth at an annual frequency. These preliminary results raise doubts
about assumptions behind recent calls for a greater use of episodic controls.

Michael W. Klein

William L. Clayton Professor of International Economic Affairs - Tufts University


Kristin J. Forbes

Jerome and Dorothy Lemelson Professor of Management, Professor of Global Economics and Management - MIT-Sloan School of Management

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