WAILIN WONG, BYLINE: You may have heard of sorority rush because it's made a splash on TikTok for the last two years. And it's this jam-packed week of parties and other events. (SOUNDBITE OF ARCHIVED ...

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Sorority rush. It's a college tradition full of excitement and anxiety for recruits. For economists, it illustrates a concept that plays a huge role throughout our economy: matching markets. By now, ...