Information goods providers adopt the freemium model to increase their user base and maximize their profits. However, a serious piracy problem cannibalizes the demand for legal goods and deeply harms firms' interests. We investigate the optimal pricing of information goods under the freemium...

Although air quality improvement action plans may have resulted in considerable health effects, it can be amplified or offset due to the complexity and uncertainty of changing demographic factors. In this study, we develop a framework for analyzing the effect of demographic factors on...

Off-Balance-Sheet activities are special means of credit expansion of commercial banks, which can affect banks' assets allocation decisions, loans supplies, and the bank lending channel of monetary policy transmission. This paper analyses the impact of OBS activities on banks’ asset allocation...

Based on product differentiation, this paper researches the innovation of agricultural biotechnology. In the duopoly structure, the company's investment in innovation is affected by the product differentiation, and the greater the difference, the greater the willingness to increase investment...

The increased demand for energy in China has generated concomitant increase of carbon emissions, which poses an unprecedented challenge to China's, and even global, sustainable development. In this paper, from the perspective of provincial carbon emissions, we analyze China's carbon emissions...

In China, Rapid economic growth has stimulated fast urban expansion and rural household income and consumption expenditure. In current paper, an input-output method is used to determine the impact of China's increased urban and rural household consumption on carbon emissions. The results shows...

This paper studies the potential effects of agricultural enterprise’s vertical integration and reverse engineering on downstream firms. Suppliers who invest reverse engineering technology can exploit customer’s information. An integrated supplier can obtain at no cost the...

Chronic exposure to hexavalent chromium compounds [Cr(VI)] is associated with an increased risk of cancers, but the molecular mechanisms remain to be elucidated. In this study, we found that CXCL5 levels in peripheral blood monocytes (PBMCs) and plasma from workers with occupational exposure to...