Market power refers to conditions where the providers of a service can consistently charge prices above those that would be established by a competitive market. There are many well known definitions of market power, including indices intended to quantify the degree of market concentration of energy supplies. Unfortunately, market power considerations within electric power markets require the co...

BACKGROUND Although concentrating adult congenital heart disease services at high-volume centers has been widely advocated, the potential beneficial effects of competition and patient choice have received relatively little attention. We aimed to assess the degree of patient choice and competition between adult congenital heart disease units and to investigate whether competition indices correla...

The aim of this paper is to identify the industrial markets coordinates with the help of Herfindahl–Hirschman concentration index, cost disadvantage ratio (CDR) index and Comanor and Wilson's economies of scale index (MES). The paper also attempts to recognize Iran's monopolistic industries through the Fuzzy TOPSIS method presented by Chen (2000) under triangular fuzzy membership function. Give...

In this paper we investigate the factors contributing to the fall in the Lerner Index (price-cost margin) in the British electricity market during the 90s. A first stage of our analysis models the number of breaks in the Lerner Index and their dating as unknowns. Our results suggest the existence of one structural break in the time series of the Lerner Index. The break point interval includes t...

Modern economic growth is viewed through the prism of paradigm sustainable development. This work presents reasons for difficulties transition to development an economy with a high share extractive industry and shows that effective implementation Sustainable Development Goals it necessary change model reducing role this industry. The analysis contribution gross regional product Russia’s regions...

The geographical location of Ukraine provides a multitude possibilities for successful investment activity. There are rich natural resources, fertile soil and qualified low-cost labour force. On the other hand, investors have to deal with historical ties Soviet Union, corruption, and political instability exacerbated by occupation part territory Russia. This paper deals possibility identifyi...

The objective of this study is to examine the portfolio theory that suggests that diversification can potentially reduce the return variance and the probability of failure of a portfolio. The current study is to investigate the diversification measure by means of Hershman-Herfindahl index, and applies the " diversification index " proposed by Demsetz & Strahan (1997) by scaling systematic risk ...

background: this study aimed to investigate dentists’ supply and practice patterns following the implementation of the global budget system in taiwan. materials and methods: data of reimbursement claims, municipal socioeconomic status and dental manpower were collected from the national health insurance administration, the ministry of internal affair, and the ministry of health and welfare, res...