Complex sentence: Stiglitz argues that IMF policies contributed to bringing about financial crisis in East Asia and Argentina, the failure of Russia's conversion to a market economy, low levels of development in sub-Saharan Africa.
Split into simpler sentences: Stiglitz argues that IMF policies contributed to bringing about the East Asian financial crisis, as well as the Argentina financial crisis. Also noted was the failure of Russia's conversion to a market economy, low levels of development in sub-Saharan Africa.