"Economics, economic history and consumer affairs." . . "Produktdifferenzierung" . . "Theorie" . . "Empresas internacionales Modelos econométricos." . . "Foreign trade regulation Econometric models." . . "Centre for Economic Policy Research (Regne Unit)." . . . . "Außenwirtschaftstheorie / Produktdifferenzierung / Außenhandelspräferenz / Auslandsmarkt / Markteintritt / Asymmetrische Information / Wohlfahrtstheorie / Theorie." . . "International business enterprises Econometric models." . . . . . . . . . . . . . . . . . . . . . . . . . "Anonymous market and group ties in international trade" . "Anonymous market and group ties in international trade"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Anonymous Market and Group Ties in International Trade" . . "Anonymous Market and Group Ties in International Trade"@en . . . . . . . "Außenhandelspräferenz" . . "International trade Econometric models." . . "International commerce, marketing and economics." . . "Außenwirtschaftstheorie" . . "National Bureau of Economic Research." . . "National Bureau of Economic Research" . "Centre for Economic Policy Research, London (GB)" . . "Comercio internacional Modelos econométricos." . . "Auslandsmarkt" . . "National Bureau of Economic Research (Estados Unidos)" . . "Markteintritt" . . "International trade Mathematical models." . . "Asymmetrische Information" . . "Wohlfahrtstheorie" . . "Centre for Economic Policy Research (Great Britain)" . .