1. A mathematical stochastic process describing a path consisting of a succession of random steps on some mathematical space, commonly used in probability theory and physics
The random walk model is essential for understanding particle diffusion in liquids.
O modelo de caminho aleatório é essencial para compreender a difusão de partículas em líquidos.
2. In finance and economics, a model suggesting that asset prices move randomly and cannot be predicted
The efficient market hypothesis assumes stock prices follow a random walk.
A hipótese do mercado eficiente assume que os preços das ações seguem um caminho aleatório.