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Over one hundred years have passed since Ernst Georg Ravenstein published his “Laws of Migration.” This paper addresses the question of how these laws have withstood the test of time. Ravenstein’s 1885 paper also includes a map of “Currents of Migration,” not mentioned in the text, which this article examines for its impacts on the study of migration. Warren Thornthwaite (1934) also compared migration to currents, but did not pursue this analogy in subsequent work. Others have used similar terminology, and examination of more recent migration studies suggests that they may yield new laws.
Waldo Tobler (Mon,) studied this question.