March 5 (UPI) -- Part of a series on capital flows and political risk in Latin America Latin America's tech ecosystem moves fast. Startups chase big markets, iterate quickly, and push new business models into daily life. Yet the main bottleneck is not always product design or talent. In my work evaluating valuations, risk, and capital structures across regional startups and scale-ups, I keep encountering the same structural barrier: a high weighted average cost of capital (WACC). Put simply,