<prompt> Translate the following text to EnglishKatika miaka ya 1970, watu watatu waliandika kwa kujitegemea kwamba mwanahistoria wa uchumi wa Norway Victor Norman, Lancaster mwenyewe, na rafiki yako kweli; na nadharia mpya ya biashara ilizaliwa.  <response>: In the late 70s three people independently wrote up that the Norwegian economist Victor Norman, Lancaster himself, and yours truly; and the new trade theory was born. 