In this empirical study, we test the relationship of Chinese urban productivity and city size. Using over 119 790 firm-level production data cross 28 industries from the Third National Industrial Survey, along with the urban population data of 224 cities, we find strong and prevailing...

A new wavelet-based nonparametric estimator is introduced in an effort to approximate variance functions. The new estimator possesses some superior qualities that are illustrated through its actual performance in some simulations. Citation Copyright 2000 by Kluwer Academic Publishers.

A new wavelet-based estimator is introduced which combines the state-space model with the wavelet transform in an effort to explore the stock market inefficiency. The new estimator possesses some superior qualities that are illustrated through its actual performance in forecasting the S&P 500....

This dissertation applies the supergame approach to a Salop type product differentiation model with n firms in the market. The theory shows that product differentiation facilitates the formation of tacit collusion among the firms in an oligopolistic industry. The empirical analysis finds that...

Electricity shortages are among the biggest barriers to South Asia’s development. Some 255 million people—more than a quarter of the world’s off-grid population—live in South Asia, and millions of households and firms that are connected experience frequent and long hours of blackouts....

The government of the Republic of Belarus plans to increase district heating tariffs to cost recovery levels and gradually phase out subsidies, replacing them with social assistance programs. Residential district heating tariffs in Belarus are currently at roughly 10–21 percent of...