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The mathematics of a push-pull model are shown to incorporate many of Ravenstein's laws of migration, to be equivalent to a quadratic transportation problem, and to be related to the mathematics of classical continuous-flow models. These results yield an improved class of linear spatial interaction models. Empirical results are presented for one country.
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Stored only when both papers are in the corpus — 306 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
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