Resistance rises on both sides after record year.
Individuals face curbs on dollar deals.
Government takes measured steps on coal and steel.
The reluctance of Kim Jong Un's nervous regime to acknowledge it is adopting a market economy frustrates the legal changes needed to sustain nascent growth.
Chinese historian Wang Lixiong charts the failure of China's 'reform and opening up' policies in Tibet.
Relative energy abundance affects China policies, studies say.
The government claims credit for modest recovery last year.