We present a multiscale analysis of the price dynamics of U.S. sector exchange-traded funds (ETFs). Our methodology features a multiscale noise-assisted approach, called the complementary ensemble empirical mode decomposition (CEEMD), that decomposes any financial time series into a number of...

This paper provides the first micro-level evidence for the existence and patterns of intra-national protectionism in China. We demonstrate that drug advertising inspections are used by provincial governments to discriminate against firms from outside the province and document how the degree of...

The proportion of people aged 60 years or over is growing faster than other age groups. The well-being older adults depend heavily on their state of health. This study evaluates the effects of pensions on older adults' health service utilization, and estimates the size of pension required to...

This research aims to lay out a framework to quantify the impacts of mining booms on the macro-economy in Mongolia, a country that is increasingly dependent upon its mining sector. The study uses a dynamic computable general equilibrium (CGE) model to examine the long-term effects on the economy...

Information frictions make foreign trade risky. Therefore, many countries offer export credit guarantees that insure export transactions against buyers' default. We investigate the causal effects of guarantees on firm performance. To overcome selection bias, we employ a quasi-experimental design...

We show using detailed firm-level Chinese data that, among small exporters, firms selling to a more diversified set of countries have more volatile exports, while the opposite holds among large exporters. This result, which stands in marked contrast to standard portfolio theory for small...

The proportion of people aged 60 years or over is growing faster than other age groups. The well-being older adults depend heavily on their state of health. This study evaluates the effects of pensions on older adults' health service utilization, and estimates the size of pension required to...

Despite the increasing dominance of digital technology in modern communications, face-to-face interactions are believed to play an irreplaceable role in facilitating complex crossborder business transactions. However, empirical research to identify the impact often faces the challenge of two-way...