{"product_id":"9784326502141","title":"収穫逓増と不完全競争の貿易理論","description":"収穫逓増と不完全競争の貿易理論","brand":"勁草書房","offers":[{"title":"Default Title","offer_id":48447405818160,"sku":"","price":2970.0,"currency_code":"JPY","in_stock":true}],"url":"https:\/\/www.maruzenjunkudo.co.jp\/products\/9784326502141","provider":"丸善ジュンク堂書店ネットストア","version":"1.0","type":"link"}