Health Economics Commons^™

Three Essays On Informal Payments In The Health Care Sector In Russia, Alexandra Polovinka

Dissertations

Health care is one of the most corrupt sectors in Russia. In 2015 twenty percent of patients paid a bribe for the health care services once or twice, and thirteen percent more than twice (Russian Public Opinion Research Center, 2015). Using data on adults from over 5,000 households in Russia, this three-essay study analyzes out-of-pocket formal (official) and informal (unofficial, bribes) payments for the health care.

In the first essay, I study whether there is a difference in the amount of unofficial pay-ments across five types of health care services (ambulance, inpatient, outpatient, dental, and medical checkups) and two types …

Essays On Portfolio Choice And Risk Management, Yi-Chin Hsin

Dissertations

Globalization increases the access to financial markets and provides expanding opportunities for investors to diversify internationally. As suggested by the Modern Portfolio Theory (Markowiz, 1952), rational investors should use one of the following two strategies to achieve portfolio diversification: (1) Investing in asset classes thought to have low correlations or (2) increasing the sizes of their portfolios in multiple markets. In the early 1970s, diversification was referred to as the “free lunch” in investment. However, French and Poterba (1991) show that investors still tend to hold a disproportionate part of domestic equities in their portfolios. This phenomenon is called “the …