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Economics Letters, Vol. 66, Iss. 2, 2000-02 ,pp. : 151-157

Elsevier

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A note on Heckman-type corrections in models for zero expenditures

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Applied Economics, Vol. 33, Iss. 9, 2001-07 ,pp. : 1089-1092

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Measuring service performance in mobile communications

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The Service Industries Journal, Vol. 24, Iss. 6, 2004-11 ,pp. : 109-128

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Nonlinearity in medical expenditures: a new semiparametric approach

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Calculating marginal effects in models for zero expenditures in household budgets using a Heckman-type correction

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Applied Economics, Vol. 29, Iss. 10, 1997-10 ,pp. : 1311-1316

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