Common curriculum standards could lead to less expensive instructional materials

From California Watch: An unexpected byproduct of 41 states adopting common curriculum standards is that California schools won't be limited to textbooks and other instructional materials developed specifically for the state. Some state education experts are saying that the "common core" standards could result in a new marketplace of instructional materials, which could yield learning products that are more creative and perhaps even cheaper than what the state has had access to in the past.