Complex sentence: The state held a monopoly on land and natural resources, and enterprises operated under the framework of a nominally planned economy, according to different criteria and under a different legal framework than state enterprises in capitalistic market and mixed economies.
Split into simpler sentences: The state held a monopoly on land and natural resources, and enterprises operated under the framework of a nominally planned economy. Enterprises in Soviet-type economies operated according to different criteria and under a different legal framework than state-owned enterprises in capitalistic market and mixed economies.