Results 81 to 90 of about 7,194,103 (209)

Short-term occupations at high elevation during the Middle Paleolithic at Kalavan 2 (Republic of Armenia). [PDF]

open access: yesPLoS One, 2021
Malinsky-Buller A   +25 more
europepmc   +1 more source

Central Oregon obsidian from a submerged early Holocene archaeological site beneath Lake Huron. [PDF]

open access: yesPLoS One, 2021
O'Shea JM   +6 more
europepmc   +1 more source

Obsidian Networks and Imperial Processes: Sourcing Obsidian from the Capital of the Wari Empire, Peru (AD 600 – 1000) [PDF]

open access: yes, 2018
This dissertation explores results from portable x-ray fluorescence and lithic analyses of obsidian artifacts from the sector of Vegachayuq Moqo, site of Huari, in the Ayacucho highlands of Peru.
Kaplan, Jessica
core  

Global Sourcing Decisions and Firm Productivity: Evidence from Spain [PDF]

open access: yes
We investigate the link between productivity of firms and their sourcing behavior. Following Antràs & Helpman (2004) we distinguish between domestic and foreign sourcing, as well as between outsourcing and vertical integration.
Marcel Smolka, Wilhelm Kohler
core  

Obsidian Sourcing at Uliland Bundok Site and its Implications for Mobility, Exchange, and Social Contexts in the Philippine Metal Age [PDF]

open access: yes, 2014
This article discusses the results of chemical analysis to trace the source of the obsidian artifacts from the site of Ulilang Bundok in Batangas, Philippines. The obsidian artifacts used in this study were excavated from the site of Ulilang Bundok while
Neri, Leee Anthony M.   +2 more
core  

Why do Firms Engage in Multi-sourcing? [PDF]

open access: yes
We provide an explanation for multi-sourcing, which is often found in the real world and refers to the situation where a final goods producer acquires homogenous components from different suppliers.
Yingyi Tsai   +2 more
core  

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