When you think about objects that you can invest in for hopefully high returns, you tend to think of things like gold, jewelry, art, antiques, and so on. A new study from the economists at the Higher School of Economics in Russia recently released a study that presents a new and unique lucrative alternative: Lego sets. Throughout the course of their study, the economists discovered that the market prices of the retired Lego sets sold on the secondary market grow by at least 11% annually,...