The Economic League (Dutch: Economische Bond, EB) was a liberal political party in the Netherlands from 1917 to 1921.
He was a political independent, although he had been member of the progressive liberal Freethinking Democratic League (VDB) until 1913.
He advocated pragmatic politics implemented by strong independent politicians drawn from business.
In parliament, Treub was unable to retain his popularity, in the 1919 municipal elections, the party lost half its votes and won no seats.
It had a liberal agenda, advocating a free market, with strong business and a limited, but efficient government.