Complex sentence: Intertemporal choice was introduced by John Rae in 1834 in the "Sociological Theory of Capital" and later Eugen von Böhm-Bawerk (1889) and Irving Fisher (1930) elaborated on the model.
Split into simpler sentences: Intertemporal choice was introduced by John Rae in 1834 in the "Sociological Theory of Capital". Later, Eugen von Böhm-Bawerk in 1889 and Irving Fisher in 1930 elaborated on the model.