机译:加油冲突? (de)升级和双边援助
Univ Calif San Diego San Diego CA 92103 USA|Leibniz Univ Hannover Inst Macroecon Konigsworther Pl 1 D-30167 Hannover Germany;
Leibniz Univ Hannover Inst Macroecon Konigsworther Pl 1 D-30167 Hannover Germany|CESifo Munich Germany|KOF Swiss Econ Inst Zurich Switzerland;
Univ Gottingen Dept Econ Gottingen Germany;
Univ St Gallen Dept Econ St Gallen Switzerland;