This paper considers the problem of model uncertainty in the case of multi-asset volatility models and discusses the use of model averaging techniques as a way of dealing with the risk of inadvertently using false models in portfolio management. Evaluation of volatility models is then considered...

Using data from more than 100 economies for the period of 1975 to 2005, we conduct an extensive empirical analysis of the determinants of international reserve holdings. Four groups of determinants, namely, traditional macro variables, financial variables, institutional variables, and dummy...

Carbon pricing regulates emission flows and collects rents from underlying fossil resource stocks. The resulting investment shift implies lower climate policy costs and improved welfare if capital is underaccumulated. We prove that under emission trading, such a beneficial macroeconomic...

Due to buoyant capital inflows East Asian central banks with exchange rate targets accumulate foreign reserves and thereby increase surplus liquidity. East Asian central banks with more flexible exchange rate regimes also face surplus liquidity that mainly emanates from past accumulation of...

We evaluate the impact of the global financial crisis (GFC) and recent structural changes in the patterns of hoarding international reserves (IR). We confirm that the determinants of IR hoarding evolve with developments in the global economy. During the pre-GFC period of 1999-2006, gross saving...

Since the 2008 global financial crisis, China has rolled out a number of initiatives to actively promote the international role of the renminbi and to denominate more of its international claims away from the US dollar and into the renminbi. This paper discusses the factors shaping the prospects...

Given buoyant capital inflows and managed exchange rates the majority of emerging market central banks have continued to accumulate massive foreign reserves. If left unsterilized, the liquidity expansion can threaten domestic macroeconomic stability. To contain domestic inflation these central...

This paper explores the introduction of collective risk-sharing elements in defined contribution pension contracts. We consider status-contingent, age-contingent and asset contingent risk-sharing arrangements. All arrangements raise aggregate welfare, as measured by equivalent variations. While...