21. He has often criticized Israel's centralized economy and supports Prime Minister Benjamin Netanyahu's far-reaching plans for liberalization. 22. Although not as crucial to the centralized economy as it once was, sugar remains an important export. 23. North Korea has maintained one of the most closed and centralized economies in the world since the 1940s. 24. Communist Cuba, which introduced modest economic reforms in the mid 1990s, defends its maintenance of a centralized economy . 25. Vranitzky and other OECD officials noted that other former centralized economies have succeeded in coming into OECD compliance. 26. Despite some modest reforms in the first half of the 1990s, the socialist nation retains a heavily centralized economy . 27. Yeltsin, too, is battling demands that he resign following the unraveling of his six-year overhaul of the once-centralized economy . 28. Stanislav Shatalin, an economist who co-authored a radical plan in 1990 to reform Russia's centralized economy , dies in Moscow. 29. "Albania entered the market economy no more than four years ago, coming from a strong centralized economy , " he said. 30. Russia's private banks grew quickly after the 1991 Soviet collapse and the beginning of the transition from a centralized economy .