How do environmental conditions influence the purchase of critical illness insurance, and why? The mechanism for any potential relationship between them has substantial welfare and policy implications. Prior literature has found a positive relationship between supplementary health insurance and...

This paper studies ISP (Internet Service Provider) competition in the presence of capacity constraint. Different from existing work, we consider a quasi-inelastic demand, which is an inelastic function with elastic property: when price p is not larger than price bR, the amount of demand is 1;...