IDEAS home Printed from
MyIDEAS: Login to save this paper or follow this series

The Marginal and Average Returns to Schooling"

  • Colm Harmon
  • Ian Walker

The existing literature now features many examples where log wages are linear in years of schooling and which effectively attempt to correct for least squares bias using instruments based essentially on a single variable. Two recent developments, taken together, cast some doubt on the downward bias in least squares estimates of the return to schooling that have been an important feature of the recent literature. The first is the realization that instrumental variable (IV) only estimate the effects of some treatment if the effect is the same for everyone. The second is that IV may only estimate the effect of the treatment on the individuals whose choices are affected by the instrument in question [extract]

(This abstract was borrowed from another version of this item.)

If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.

File URL:
Our checks indicate that this address may not be valid because: 404 Not Found. If this is indeed the case, please notify (Thomas Krichel)

Download Restriction: no

Paper provided by University College Dublin, Economics Department in its series Working Papers with number 96/20.

in new window

Date of creation: Sep 1996
Date of revision:
Handle: RePEc:wop:cdecwp:9620
Contact details of provider: Postal: UCD, Belfield, Dublin 4
Phone: +353-1-7067777
Fax: +353-1-283 0068
Web page:

More information through EDIRC

No references listed on IDEAS
You can help add them by filling out this form.

This item is not listed on Wikipedia, on a reading list or among the top items on IDEAS.

When requesting a correction, please mention this item's handle: RePEc:wop:cdecwp:9620. See general information about how to correct material in RePEc.

For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Thomas Krichel)

If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

If references are entirely missing, you can add them using this form.

If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.

If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.

Please note that corrections may take a couple of weeks to filter through the various RePEc services.

This information is provided to you by IDEAS at the Research Division of the Federal Reserve Bank of St. Louis using RePEc data.