<prompt> Translate the following text to SwahiliWhat I did say in my article was that increasing returns was largely ignored by mainstream economists for much of the postwar era, a claim that simply isnt controversial.  <response>: Kile nilichosema katika makala yangu ni kwamba kuongezeka kwa mapato kwa kiasi kikubwa kulipuuzwa na wachumi wa kawaida kwa sehemu kubwa ya enzi ya baada ya vita, madai ambayo hayajadili. 