Which of the following factors are important when discussing national corporate governance regimes? 1. Pressures in favour of a convergence in governance models; 2. Considerable levels of heterogeneity in governance systems described as being the same or similar; 3. Corporate governance deviance occurring due to internal firm pressures; 4. The Anglo-American model being considered the best model in light of the recession in the late 2000s. 1,2,3 1,3,4 2,3,4 1,2,3,4