最近Worthwhile Canadian Initiativeブログに加わったFrances Woolleyが表題のエントリを書いている(原題は「SpongeBob SquarePants and the Economics of Identity」)。 以下はその抄録。 SpongeBob SquarePants lives in a pineapple under the sea, makes the best burgers in Bikini Bottom, and loves life. Akerlof and Kranton's Economics of Identity explains why SpongeBob is so happy. An identity is a sense of self, "this is who I am". ・・・SpongeBob is