Many other Eastern European countries, such as Poland, Romania, the Czech Republic, Slovakia, Hungary, Bulgaria, and several others were able to continually sustain high economic growth rates and do not experience some of the problems that Russia experiences or experience them to a lesser extent. In terms of GDP per capita in 2008, Brazil ranked 64th, Russia 42nd, India 113th, and China 89th. By comparison, South Korea ranked 24th and Singapore 3rd. Brazil's stock market, the Bovespa, has gone from approximately 9,000 in September 2002 to over 70,000 in May 2008. Government policies have favored investment (lowering interest rates), retiring foreign debt and expanding growth, and a reformulation of the tax system is being voted in the congress. The British author and researcher Mark Kobayashi-Hillary wrote a book in 2007 titled Building a Future with BRICs for European publisher Springer Verlag that examines the growth of the BRICs region and its effect on global sourcing. Contributors to the book include Nandan Nilekani, and Shiv Nadar. International law Brazilian lawyer and author Adler Martins has published a paper called "Contratos Internacionais entre os países do BRIC" (International Agreements Among BRIC countries) which highlights the international conventions ratified by the BRIC countries, which allow them to maintain trade and investment activities safely within the group. Martin's study is being further developed by the Federal University of the Minas Gerais State, in Brazil. Financial diversification It has been argued that geographic diversification would eventually generate superior risk-adjusted returns for long-term global investors by reducing overall portfolio risk while capturing some of the higher rates of return offered by the emerging markets of Asia, Eastern Europe and Latin America. By doing so, these institutional investors have contributed to the financial and economic development of key emerging nations such as Brazil, India, China, and Russia. For global investors, India and China constitute both large-scale production platforms and reservoirs of new consumers, whereas Russia is viewed essentially as an exporter of oil and commodities- Brazil and Latin America being somehow "in the middle". Criticism Academics and experts have suggested that China is in a league of its own compared to the other BRIC countries. As David Rothkopf wrote in Foreign Policy, "Without China, the BRICs are just the BRI, a bland, soft cheese that is primarily known for the whine [sic] that goes with it. China is the muscle of the group and the Chinese know