with a reasonable expectation of sufficient demand for its product. What determines sufficient demand? It's the chicken and the egg. Or is it: Profits lead to

with a reasonable expectation of sufficient demand for its product. What determines sufficient demand? It's the chicken and the egg. Or is it: Profits lead to innovation. Innovation leads to cheaper goods. What's left over is new demand? Or demand dries up for product X, and demand is available for product Y?