Hein Mannaerts

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Drug addicts are at high risk of hepatitis B infection and are therefore candidates for vaccination against hepatitis B. Since drug addicts may have an impaired immune response, and low compliance for therapy extending over several months, we evaluated a vaccination scheme according to the instruction of the manufacturer (HB- Vax 20 micrograms at zero, one(More)
Empirical analyses of firm behaviour typically assume that there is a stable relationship between investment on the one hand, and changes in the relative prices of inputs, output demand, and other determinants on the other hand. However, because of the lumpy nature and irreversibility of investments and the presence of uncertainty about future economic(More)
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