Heckman's (1979) sample selection model has been employed in three decades of applications of linear regression studies. The formal extension of the method to nonlinear models, however, is of more recent vintage. A generic solution for nonlinear models is proposed in Terza (1998). We have...

Heckman s (1979) sample selection model has been employed in three decades of applications of linear regression studies. The formal extension of the method to nonlinear models, however, is of more recentvintage. A generic solution for nonlinear models is proposed in Terza (1998). We have...

Higher education, like any other commodity or service, has been viewed in a variety of economic frameworks. Little of this work, however, appears to have made any effort to define carefully the boundaries of the relevant market for higher education, which is the subject of this particular...

Higher education, like any other commodity or service, has been viewed in a variety of economic frameworks. Little of this work, however, appears to have made any effort to define carefully the boundaries of the relevant market for higher education, which is the subject of this particular...

Higher education, like any other commodity or service, has been viewed in a variety of economic frameworks. Little of this work, however, appears to have made any effort to define carefully the boundaries of the relevant market for higher education, which is the subject of this particular...