How current accounts mislead FX markets

A common fallacy is that current account deficits measure dependence on external financing. In reality, external balances and cross border financing are only vaguely related. Vulnerability to “stops” in financial flows does not depend on trade and capital flows (“net concept”) but only on the volume and origin of financing (“gross concept”). Currency crises are not about current accounts that need to adjust, but about funding gaps that need to be closed.

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Predicting equity market corrections

Assessing the risk of equity market “crashes”, academic work has focused on price-earnings ratios and bond-stock earnings yield differentials. A recent paper by Lleo and Ziemba provides theoretical reasoning and empirical support for these warning signs.

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Predicting bond returns

Simple regression is inadequate for predicting bond returns, as the character of rates markets changes fundamentally with economic conditions. In financial modelling terms this calls for time-varying parameters, time-varying volatility, and model uncertainty. A CEPR paper claims that these features can help turning standard forecast factors (forward rates, forward spreads, and macro) into a valuable prediction model.

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The concept of “real financial exchange rates”

A Bundesbank paper proposes a new type of real exchange rate index. Rather than measuring the competitiveness of goods markets, this “real financial exchange rate” would measure the competitiveness of asset markets. There is some evidence that this indicator helps detecting overvaluation.

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Improving the information value of dividend yields

Marco Dion, Viquar Shaikh and colleagues at J.P. Morgan Cazenove illustrate how the information value of equity dividend yield can be enhanced. Their measure of “shareholder yield” integrates dividends with other forms of cash returns, i.e. share buybacks and debt redemption. They present evidence that for U.S. and European stocks the enhanced measures creates alpha for systematic trading styles.

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