We investigate the relationship between GDP per capita, trade costs, demand, and income inequality between 1996 and 2011. Specifically we apply the aggregate AIDS-based gravity model as developed in Fajgelbaum and Khandelwal (2016) to a panel of 40 countries to generate a new measure of market...

The US advantage in per capita output, apparent from the late 19th century, is frequently attributed to its relatively large domestic market. We construct market potential measures for the US and 26 other countries between 1880 and 1913 based on a general equilibrium model of production and...

On June 2011, Penglai 19-3 oilfield, the biggest offshore oilfield in China, experienced two unrelated leaks, with initial estimates indicating that about 723 barrels (115 cubic meters) of oil were released into the sea and 2,620 barrels (416.45 cubic meters) of mineral oil mud were released...

The New Cooperative Medical Scheme (NCMS) program was implemented in response to ‘illness-led poverty’ and poor state of healthcare in rural China. Supported by government subsidy, more and more poor rural households are now enrolled in the NCMS. This paper investigates the impact of the...

The US advantage in per capita output, apparent from the late 19th century, is frequently attributed to its relatively large domestic market. We construct market potential measures for the US and 26 other countries between 1880 and 1913 based on a general equilibrium model of production and...

In this paper, we propose a novel learning-based robust adaptive trajectory tracking controller for wheeled mobile robots (WMR) subject to velocity input uncertainties. Gaussian process regression (GPR) is employed in view of its powerful estimation ability and wide scope of applications as a...

Ag3PO4 has an excellent visible light response, but its serious photo-corrosion has limited its application in environmental remediation. Here, we constructed a magnetic heterojunction photocatalyst (CuFe2O4 /Biochar/Ag3PO4 ) to inhibit its photo-corrosion and enhance photocatalytic activity....

The negative effects of microplastics on the normal growth of aquatic organisms have been well studied, but little is known about their potential adverse effects on the function and stability of aquatic ecosystems. We investigated here the effects of polyethylene (PE) microplastics on several...