Document from the year 2010 in the subject Business economics - Economic Policy, grade: A, Central European University Budapest, course: Political Economy, language: English, abstract: The essays in this work deal with the main differences between historical institutionalism, sociological institutionalism and rational choice institutionalism, discuss the contribution of Marxism to political economy, evaluate the likelihood of exit and voice strategies of tea workers in a presented empirical condition and deal with the question "What is the impact of Latvia’s established welfare system on the mode of institutional change in the healthcare sector?".