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Diskussionspapiere - Hannover Economic Papers (HEP)

Soziale Sicherheit und Wachstum

Autor: Taschowsky, Peter
Nummer: 237, Dec 2000, pp. 22
JEL-Class: O15, O17, O41, P30

One decade ago the formerly socialist, east-European economies collapsed. They are facing the diffcult and complex task to transform and to modernize their economic structures. In the beginning, many economists believed that the process of transition could be done fast and easily. Liberalization, privatization and macro-economic stability (so called Washington consensus) seemed to be the appropriate means to establish western style market economies. But now it becomes clear that not only the economic structures, but also the whole society including norms and social values have to change. In many east-European transition countries only small parts of the population could benefit from the economic reforms. Inequality of income and wealth increased rapidly between various groups in the society. In such 'dual' societies conflicts appear that have to be solved in order to sustain a stable and lasting economic growth. Social security measures in form of transfers and regulations can be conflict-reducing and conflict-solving. In this point of view safety nets can be regarded as effciency and growth enhancing. Especially, since traditional networks break down with changes in the institutional structure. But one has to consider that a social sector needs resources reducing the possibility to produce output. An expansion of the social sector enhances growth through increasing social security, whereas a reduction frees resources to produce human capital and output. To analyze this trade-off the Lucas (1988) growth model is enhanced by the introduction of a social sector. Now the optimal input of resources in the human capital sector and the input in the social sector can be identified. It can be shown that the optimal level of social security depends from the productivity in the social and the human capital producing sector.

Ein gewisses Maß an sozialer Sicherheit bzw. an Umverteilung ist in einer Gesellschaft wünschenswert, da dadurch die Wachstumsrate erhöht werden kann. Insbesondere der Staat hat die Aufgabe soziale Sicherungsnetze zu etablieren und durchzusetzen. Sicherungsnetze wirken als Versicherungen und vermindern unerwünschte Folgen einer ungleichen Einkommens- und Vermögensverteilung. Der soziale Sektor benötigt allerdings auch Ressourcen, die damit nicht zur Produktion von Output zur Verfügung stehen. Anhand einer Erweiterung des Wachstumsmodells von Lucas (1988) wird dieser Trade- Off analysiert und das optimale Verhältnis des Ressourceneinsatzes in den Sektoren bestimmt.

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