Why is it important that a competitive resource be rare? Only rare resources increase a company's ROIC. If it's not rare, competitors can access it. If it's not rare, it can't be sold. If it's not rare, it can't be used effectively. To what degree does a patent protect a company's intellectual property for the long term? completely to a very high degree to a limited degree not atall A company claims that it has valuable resources. How might another firm determine whether their claim is accurate? determine whether the corporation attracts highly educated employees determine whether the resources increased or decreased over the past year determine whether the resources make it possible to exploit opportunities and counter threats determine whether the company is listed on the stock exchange