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16 Const. Pol. Econ. 5 (2005)

handle is hein.journals/constpe16 and id is 1 raw text is: Constitutional Political Economy, 16, 5-30, 2005.
-    © 2005 Springer Science+Business Media, Inc. Printed in The Netherlands.
Judges and Taxes: Judicial Review, Judicial Indepen-
dence and the Size of Government
GEORGE TRIDIMAS                                                       GTridimas@aol.com
School of Economics and Politics, University of Ulster, Shore Road, Newtownabbey Co. Antrim, BT37 OQB
Abstract. The study investigates how judicial review of policy and judicial independence affect the relative
size of government. Judicial oversight of policy is the authority of courts to check the legality of policy
measures and annul measures which are incompatible with the constitution or are enacted without fol-
lowing the procedures laid down by the law. Using a model of constitutional political economy, where
policy making is subject to judicial oversight, it is predicted that the relative size of the public sector
decreases as judicial review and judicial independence increase. The theoretical predictions are tested in an
international cross section sample of 52 countries. Controlling for the effects of real income, age depen-
dency, openness of the economy, the legal origins of a country and other socio-political variables the
results show that the checks and balances provided by the judiciary lead to a smaller relative size of taxes
in the economy.
JEL classification: D70, D72, D74, D78, H30, K41.
Key words: size of government, taxation, judicial review, judicial independence
1. Introduction
The application of the rule law is essential for the prosperity of market economies
and the welfare of citizens. A cornerstone of the rule of law is that courts enforce
policy measures passed by the legislature and oversee the actions of both the legis-
lative and the executive branches of government. Judicial review of policy, which
examines the legality of policy measures passed by the legislature and enacted by the
executive branch of government, has always been political in nature as it is con-
cerned with the limits of lawful government and what the political authorities can
and cannot do within the provisions of the constitutional arrangements of a country.
Further, an independent judiciary fulfils its functions without regard to the identity
of the litigants, be they private or public agents. The present study investigates
analytically and empirically whether and how judicial review of policy and judicial
independence affect the relative size of government. Judicial oversight of policy,
which is part of the collective choice mechanism, may restrain government actions
and therefore affect the size of resources taken up by the government. Despite the
obvious relevance of the question to the size of government, the issue has been
largely ignored in the literature. Using the perspective of political economy the paper
explores a model of the influence of the judiciary on economic policy making and the
size of tax revenue. In its empirical inquiry the study uses the indices of judicial

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