An important aspect of understanding your business ecosystem is knowing your position within it (positioning), whether you hold a higher or lower (subordinate) role, and whether your offerings are substitutes or complements. Netflix started as a DVD rental service. With the rise of online streaming, Netflix saw it as a replacement for DVD rentals. Kimbap and Ramen are complementary goods, but Ramen and Udon are substitutes. This is why, even when setting up a snack bar, paying attention to the menu is crucial. Complementary goods increase sales, while substitutes are more likely to lead to no change or even a decline in sales. - Joseph’s “just my thoughts”
James Simons founded Renaissance Technologies, the leading American hedge fund investor. He was, in fact, a mathematician. The Medallion Fund he ran had also seen a 200-fold increase in Berkshire Hathaway stock yield, matching Warren Buffett's performance. It was an incredible record, plain and simple. This conclusion was a subtraction of 5% of the management fee from the fund as a GP with 44% of the compensation fee. He invested in a cutting-edge "quant system" that trades stocks using sophisticated computer-aided algorithms. To eliminate emotional interference, the finance industry excluded employees. However, they recruited doctors like him from the science and technology fields. Even having extensive financial and investment knowledge, investment is the conclusion of action. Sound judgment beyond feelings is crucial for investment, but feelings are a variable. It's challenging to become wealthy if you don't control your emotions. In other words, emotions are a...