This paper, by building a New Keynesian dynamic general equilibrium model that combines with distortionary taxation, pollution decision of firms, and environmental quality evolution under uncertainty, analyzes shocks from markets and taxation policies on macro-economy and environmental quality...

The aim of this study is to investigate how network effects affect the quality and price decisions of firms in a vertically differentiated market. As network effects increase, high-quality producers tend to raise quality while low-quality producers lower it. The degree of product differentiation...