The I/O and resource-based models contain many of the same s…
The I/O and resource-based models contain many of the same steps. One clear difference between the two models is the resource-based model starts by looking at the internal strengths and weaknesses of a firm, while the I/O model begins with an examination of the external environment. Another key difference is the resource-based model identifies an attractive industry much earlier in the process than does the I/O model