We analyse congestion pricing in a road and rail network with heterogeneous users. On the road there is bottleneck congestion. In the train there is crowding congestion. We separately analyse proportional heterogeneity that varies the values of time and schedule delay scalarly in fixed...

Yerevan needs to create concrete and real road map for developing its relations with Beijing. China is a young, eastern superpower of the World, which provides tremendous investments. It is already in the neighborhood of Armenia, but Armenian diplomacy still was not able to bring any Chinese...

Yerevan needs to create concrete and real road map for developing its relations with Beijing. China is a young, eastern superpower of the World, which provides tremendous investments. It is already in the neighborhood of Armenia, but Armenian diplomacy still was not able to bring any Chinese...

China’s Belt and Road Initiative (BRI) is far more than an instrument of Chinese foreign economic and development policy, argues Mher D Sahakyan of the China-Eurasia Council for Political and Strategic Research in Yerevan, Armenia. The BRI, he writes, is the backbone of a new kind of Chinese...