Purpose: To find out ships' optimum operating speed under low-carbon economy. Approach: First, it analyzes the relations between ship's carbon emission and the operating speed, gets the optimum speed under which the entire fleet emit minimum carbon, then establishes the relations between the...

Regional economic disparities are often regarded as signs of a country's uneven or backward development. After analyzing China's regional economic performances from 2003 to 2007, this paper concludes that the emergence of interior regions provides new momentum for China's economic growth, and...

This paper employs the ZCAPM asset pricing model of Liu, Kolari, and Huang (2018) to show that momentum returns are highly related to market risk arising from return dispersion (RD). Cross-sectional tests show that momentum risk loadings and RD risk loadings are similarly priced in momentum...

The Global Urban Competitiveness Report – 2013 is an empirical study and evaluation of the sustainable competitiveness of 500 cities around the world from regional, national and other perspectives. This one-of-a-kind resource draws on a wealth of data sources, all of which are described and...

This paper first estimates the energy efficiency of 13 cities and 30 key industries in the Beijing-Tianjin-Hebei (BTH) region between 2008 and 2017 using the super-efficiency slacks-based measure (SBM) model. Structural deviation, Moore index, and coupling coordination degree quantify the...