Purpose: The purpose of this paper is to improve the accuracy of evaluation efficiency by constructing parallel structures considering the main components of industrial pollutants, and then to consider some external influence factors to eliminate random errors. Design/methodology/approach: In...

The analysis of China's impacts on the 44 SSA countries reveals that: (i) after joining the WTO in 2001, China has started to impact significantly on SSA growth: one-percent increase in China's GDP per capita leads to 0.02 percent increase on the SSA's GDP per capita; (ii) oil and...

Outstream video advertising is becoming increasingly popular in the industry. Differing from the instream video advertisements (ads) embedded in video content, outstream video ads auto-play in non-video environments when a user navigates to them. On online shopping websites and apps, sponsored...

We develop an analytical framework to appropriately model and adequately analyze A/B tests in presence of nonparametric non-stationarities in the targeted business metrics. A/B tests, also known as online randomized controlled experiments, have been used at scale by data-driven enterprises to...

The analysis of China's impacts on the 44 SSA countries reveals that: (i) after joining the WTO in 2001, China has started to impact significantly on SSA growth: one-percent increase in China's GDP per capita leads to 0.02 percent increase on the SSA's GDP per capita; (ii) oil and...

We study an infinite-horizon cumulative innovation model, in which patents are characterized bytheir length and the likelihood of being ruled valid in a patent infringement litigation. Strengtheningpatent protection via a greater validity or length has two opposing effects on innovation: 1)...