Answer:
While Early theories include Thomas R. Malthus, William Farr and Earnst G. Ravenstein.
Ravenstein:The Laws of Migration
S.A. Stouffer:Intervening Opportunities: A Theory Relating
Mobility and Distance
E.lee: Pull-Push teori
Peterson: Primiteve migration,Forced migration,Free migration,maas migrationexamines in 4 topics
On the other hand Contemporary Migration Theories:
lewis, todaro, harris and todaro by defended neoclassical teori,
The Hypothesis of the Mobility Transition,
Massey's dual Labor Market Theory
Samir Amin, Immanuel Wallerstein and Andre Gunder Frank'sCentral-Environmental Relations Theory
Mabogunje's Immigration Systems Theory
Stark, Harbinson, Sandell and mincel's New Economics Of Labour Migration- NELM
Behavioral Model
Social Systems Theory
Network Theory
Social Capital Theory
Corporate Theory
Cyclic Causality Theory
Transnational Migration Theory...
