We check in on some stories we did this year to see what's changed. Find a full list of the episodes we referenced at our website, NPR.org/money.

How the card game "Magic: The Gathering" deflated a speculative bubble. You can support our show at donate.npr.org/planetmoney.

Most products in this world are vulnerable to creative destruction: as new products are developed, they make old ones obsolete. But there are some exceptions — products that persist, resisting change while economic evolution continues without them. For instance: the graphing calculator. (This episode is from our other podcast, The Indicator from Planet Money. Subscribe to it wherever you get your podcasts.)

Charles Dickens wanted to pick a fight with economists. So he invented Ebenezer Scrooge. But did he get it all right? Also: If you want to support our show, head over to donate.npr.org/planetmoney. We appreciate it.

How a professor invented a formula for synthesizing cannabinoids and unintentionally helped launch a drug revolution.

Ricardo Hausmann, a Harvard-based Venezuelan economist, has constructed his own indicator, one that captures the horrifying scale of the economic catastrophe in Venezuela. (This episode is from our other podcast, The Indicator. Subscribe to it wherever you get your podcasts.)

A truce in the U.S.-China trade war seemed close. The leaders of China and the United States were meeting to discuss a fix. And then arrests started. It got even more confusing, so today, we call up our man on the ground in Shanghai to make sense of it all. The key to understanding the latest turn in the trade war centers around a giant company most Americans haven't heard of called Huawei. Its rise traces the rise of China's economy and Chinese-style capitalism.

We try to figure out what makes cents.

It feels like all of New York City is arguing about Amazon's new office in Queens. But what do the people in Long Island City think?

The U.S. and Europe just can't agree on car safety standards. That puts car companies in a weird position, makes cars cost more and just seems kind of random and wasteful.