As a boundary science, econometrics is younger than the adjacent regions, which fact likewise has advantages and disadvantages. As a disadvantage, the lack of an established doctrine, and also the lack of established textbooks, can be felt; as an advantage is the fresh enthusiasm, with which its students work.

p. 3; Cited in: Economia e finanças: anais do Instituto superior de ciências económicas e financeiras. (1953), p. 463 - Econometrics, 1951