This study analyzes monthly price data for urea, phosphate rock, diammonium phosphate (DAP), triple superphosphate (TSP), and potassium chloride from the World Bank, covering the period from January 1967 to September 2024. The objective is to investigate interdependencies among major fertilizer...

Around three quarters of Bitcoin transactions take place off-chain. Despite their significance, the vast majority of the empirical literature on cryptocurrencies focuses on on-chain transactions. This paper presents one of the first analysis of both on- and off-chain demand- and supply-side...

Using the philosophies of Louis Althusser and István Mészáros, this article seeks to interpret Marx's theory of the transformation of value into price based on a philosophical view that emphasizes both the base/superstructure dialectic (Althusser) and alienation under capitalism (Mészáros)....

Consumers often struggle to make their choice in the highly diversified wine market. With wine being an experience good, consumers must rely on extrinsic characteristics, e.g., information on the label. Thus, easily available quality signals like consumer ratings have become an increasingly...

We investigate the role of speculation in the European natural gas market over the period 2020- 2024, a period marked by extreme price volatility driven by the energy crisis following Russia's invasion of Ukraine. Replicating the framework of Knittel and Pindyck (2016), we disentangle the...

This study examines the dynamic transmission of international rubber prices along the SHFE-FOB Bangkok-local farm-gate chain in Thailand using weekly data and an integrated econometric-machine-learning framework. Engle-Granger cointegration tests reveal a stable long-run equilibrium in which...

This paper evaluates the effect of the Russian invasion of Ukraine in February 2022 on refinery margins, i.e. the difference between wholesale prices for road fuels (gasoline and diesel) and oil prices in Europe and Germany in particular. Following the Russian invasion of Ukraine, wholesale road...