How did reform in Russia differ from reform in China in the late 80s and early 90s? What differences between the coutries led to these difference? In what ways did Kleptocracy emerge in Russia and why?

How did reform in Russia differ from reform in China in the late 80s and early 90s? What differences between the coutries led to these difference? In what ways did Kleptocracy emerge in Russia and why?