Price bubbles in multiple assets are sometimes nearly coincident in occurrence. Such near-coincidence is strongly … fundamentals. The explosive factor models latent forces that underlie the formation of asset price bubbles, which typically exist … origination of price bubbles determined by latent factors in a large-dimensional system embodying many markets. Asymptotics of the …

erupted in 2007, the phenomenon migrated selectively into the commodity market and the bond market, creating bubbles which …

. Consistency of the dating estimators is established and the limit theory addresses new complications arising from the alternative …

sources such as financial speculation and excessive credit creation do inflict harm on the real economy. Detecting speculative …