As a guest user you are not logged in or recognized by your IP address. You have
access to the Front Matter, Abstracts, Author Index, Subject Index and the full
text of Open Access publications.
While this article considers letter demand in general, it concentrates on the substitution effect, and its characteristics and prerequisites for realization. The purpose of the paper is to determine the differences in substitution carried out in different letter-sender and -receiver groups or between different countries, and what the reasons for this are.
This website uses cookies
We use cookies to provide you with the best possible experience. They also allow us to analyze user behavior in order to constantly improve the website for you. Info about the privacy policy of IOS Press.
This website uses cookies
We use cookies to provide you with the best possible experience. They also allow us to analyze user behavior in order to constantly improve the website for you. Info about the privacy policy of IOS Press.