{"product_id":"leon-ballad-social-economic-research","title":"Léon Ballad: Social economic research","description":"\u003cp\u003eReonball is known as the founder of the marginal utility theory and the founders of the Rosen University. But what's known in Korea is almost everything. I had no opportunity to know what he thought and what he claimed, why his theory was important in economics. Valar's \"Study of Social Economics\" and \"The Study of Applied Political Economics,\" are the first direct chance to meet the theory of Leon Bala.\u003c\/p\u003e\n\u003c!-- kyobooks-enrichment: english summary above, importer facts below --\u003e\n\u003cp\u003e\u003cstrong\u003eKorean title:\u003c\/strong\u003e 사회경제학 연구\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKorean author:\u003c\/strong\u003e 레옹 발라\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKorean publisher:\u003c\/strong\u003e 지식을만드는지식\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eISBN-13:\u003c\/strong\u003e 9791128837579\u003c\/p\u003e","brand":"Léon Ballad","offers":[{"title":"Default Title","offer_id":54196506165612,"sku":"9791128837579","price":82.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/3911\/4604\/files\/kyobooks-S000001676089-34ce05416dae7783de04fe78dcde8bd948c75eb733f9b63abdfdebbfa25f698a.jpg?v=1786731853","url":"https:\/\/checkout.kyobooks.com\/products\/leon-ballad-social-economic-research","provider":"KyoBooks","version":"1.0","type":"link"}