Which of the following is not a technology spillover?
1.a firm producing software makes a deal
with computer manufacturers to not include software from competing firms
2.a software firm writes software for Windows because of the enormous number of users of that operating system
3.consumers get lower prices as firms innovate and generate economies of scale
4.consumers get higher quality new products, often at lower prices than the products they replace
5.a firm hears about a valuable new discovery that has occurred in a competing firm