Default prior choices fixing Zellner's g are predominant in the Bayesian Model Averaging literature, but tend to concentrate posterior mass on a tiny set of models. The paper demonstrates this supermodel effect and proposes to address it by a hyper-g prior, whose data-dependent shrinkage adapts...

Variability, in general, has a deteriorating effect on the performance of stochastic inventory systems. In particular, previous results indicate that demand variability causes a performance degradation in terms of inventory related costs when production capacity is unlimited. In order to...

Major mining commodity prices are inherently volatile and cyclical. High levels of investment in China have been a key driver in the strong world demand for minerals and metals over the past decade. The urbanization and industrialization of China has been an important factor behind the increase...

The vast mineral deposits of Mongolia, if properly managed, could make available large budgetary resources, which would help address a wide range of its economic challenges. This report focuses on Mongolia’s selected issues in the mining sector, government employment and wages, and saving...

The euro area (EA) plays a major role in the global economy. Market perceptions of events in the EA program countries illustrate the possibility of large spillovers from the area in times of stress. The prospect of large spillovers underscores the urgent need for actions to contain, and...

Hong Kong, like other city financial centers, has a high private saving rate. This paper seeks to understand what the principal drivers of saving and investment in financial centers are. Cyclical frequency changes affecting international financial and trade linkages are key drivers of saving and...

Japan’s position is one of the largest and richest economies in the world. Tokyo as a financial marketplace is not a major intermediator of global capital flows. The current macroeconomic environment is conducive to spillovers being larger than captured by the empirical analysis. Apart...

This Selected Issues paper analyses the impact that rising energy import prices might have on growth and inflation in Ukraine. The paper examines how rising gas prices might elevate macrofiscal risks in Ukraine’s state enterprise sector. It assesses Ukraine’s equilibrium exchange...