This paper elaborates the mutual relation of energy, economy, environment and sustainable development, analyzes the key factors affecting energy efficiency. By determining the goal and connotation of energy efficiency, this paper establishes the evaluation model of energy efficiency, and constructs the energy utilization efficiency evaluation system of energy supply, economic growth, environmen...

The integration of informatization and industrialization is the inevitable choice of the road to new industrialization with Chinese characteristics, and is the inherent requirement of the transformation of economic development mode. It constructs the regional integration efficiency evaluation index system of inputs and outputs. Then, it uses factor analysis and DEA to carry out the empirical re...

This article constructs an economic model of a rational trader who operates in a market with transaction costs and noise trading. The level of trading affects the rational trader’s marginal cost of transacting; as a result, trading volume (through its effect on marginal cost) is a source of risk. This engenders an equilibrium relationship between returns and volume. The model also provides a si...

The science and professional practices of vocational psychology and career development are brought into question via a critical polemic informed by the work of Foucault, with a particular focus on the application of theory and techniques of objective assessment and psychometrics. It is asserted that the scientific and professional discourse and constructs of traditional approaches to career dev...

Multi-unit auctions are being employed by public agencies to allocate resources and to purchase services. These auctions resolve the lumpy bid problem inherent in single-unit auctions by allowing bidders to submit a supply or demand schedule. However, the choice of pricing formats for multi-unit auctions is controversial. Neither economic theory nor laboratory experiments depict a complete pict...

Globalization and deregulation are modifying the competitive framework in the majority of economic sectors and, as a result, many companies are changing their commercial model to focus on the preservation of existing customers. Understanding customer loyalty therefore represents an element of competitive advantage. In this brief paper, we investigate loyalty in the Spanish petrol station market...