This paper improves renewal payment based patent value model by introducing unexpired patents into the model. We estimate value of the invention patents based on SIPO records in China and compare values of patents between local owners and owners from the U.S., Japan and European countries. The...

With the rapid development of modern market economy, in order to safeguard the comprehensive competitiveness, enterprises adjust their capital structure based on the external and internal environment. In the selection of enterprises¡¯ financing policies, especially the debt decisions, the...

Many countries have introduced policy measures, such as carbon pricing, greenhouse gas offsetting mechanisms, renewable energy standards, and energy efficiency improvements, to achieve their climate change mitigation targets. However, in many instances, these measures overlap in ways that may...

Inspired by scientific collaboration networks (SCN), especially our empirical analysis of econophysicists network, an evolutionary model for weighted networks is proposed. Besides a new vertex added in at every time step, old vertices can also attempt to build up new links, or to reconnect the...

Financial constraints are an important impediment to the growth of small businesses. We study theoretically and empirically how the financial constraints of agents affect their decisions to exert effort, and, hence the organizational decisions and growth of principals, in the context of...

We estimate a dynamic oligopoly entry game in the early U.S. local telephone market. We observe the identities of potential entrants into local markets and therefore the waiting time of each potential entrant before it commits actual entry. To capture the feature of the data, we allow firms to...

The cement industry is the second-largest CO2 emitting industrial sector in China, and it is faced with increasing worldwide criticism to pressure China to reduce its CO2 emissions to acceptable level. In this study, the effects of potential technological improvement to China’s cement industry...

We consider a structural model of demand and supply where firms endogenously offer vertically differentiated products and exercise second-degree price discrimination. We apply this model to the smartphone industry and quantify the welfare effects of price discrimination and competition. We use...