EM exchange rates and self-reinforcing trends

Emerging market exchange rates can be catalysts of self-reinforcing trends. Currency appreciation raises both global lenders’ risk limits and EM institutions’ debt servicing capacity. Currency depreciation spurs the reverse dynamics. Their escalatory potential constrains central banks’ tolerance for exchange rate flexibility.

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The secular decline in the global equilibrium real interest rate

A new Bank of England paper finds a 450 bps decline in global equilibrium real interest rates over the past 35 years, due to a fundamental divergence: savings preferences surged on demographics, inequality and EM reserve accumulation, while investment spending was held back by cheapening capital goods and declining government activity. More recently, fear of secular stagnation has compounded the real rate compression.

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Momentum trading and setback risk

An empirical study suggests that momentum trades yield positive returns but carry higher downside than upside market risk. This “beta asymmetry” appears to be a global phenomenon across asset classes.  It is consistent with the broader observation that popular trading strategies come at the price of setback risk related to the crowdedness of positions.

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Using volatility to predict crises

A long-term empirical study finds two fundamental links between market volatility and financial crises. First, protracted low price volatility leads to a build-up of leverage and risk, making the financial system vulnerable in the medium term (Minsky hypothesis). Second, above-trend volatility indicates (and causes) high uncertainty, impairing investment decisions and raising the near-term crisis risk.

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Tracking trends in EM economies

Two recent papers provide useful techniques for “nowcasting” EM economies. The first uses “dynamic factor models” with high frequency indicators to estimate GDP growth in countries with scant and noisy data. The second uses seasonal adjustment with modifications for time-varying holidays that can track underlying trends in China and other countries with lunar year and Islamic holidays.

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The short-term effects of U.S. economic data releases

A two-decade empirical study shows that bond and equity market prices are more likely to “jump” on days with U.S. economic data releases. In particular, surprises in news announcements tend to lead to higher volatility and larger price moves. The impact of key data surprises on bond markets seems clearer and simpler. The impact on equity markets depends on the state of the business cycle

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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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Understanding duration feedback loops

When long-term government bond yields are low enough, further declines can ‘feed on themselves’. European insurance companies and pension funds are plausible catalysts. The duration gap between their liabilities and assets typically widens non-linearly when yields are low and compressed further, triggering sizeable duration extension flows.

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Commodity trading strategies and convenience yields

Convenience yield can be interpreted as a leasing rate for physical commodities. Returns on convenience claims are premia earned by investment strategies for providing this leasing service. An empirical analysis suggests that they depend on risk factors related to other asset classes, however. The inertia in these risk factors seems to help predicting returns on convenience claims.

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Hints for cross-country equity strategies

An academic paper looks at cross-country relative-value equity strategies. It concludes that [i] relative conventional factors might create alpha and [ii] relative local country equity index returns are uncorrelated with currency returns (and hence the two could be independent value creators).

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