<doi_batch xmlns="http://www.crossref.org/schema/4.4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="4.4.0"><head><doi_batch_id>833aca46-c534-4fb1-bd5e-5b7f3b0652eb</doi_batch_id><timestamp>20240416033959585</timestamp><depositor><depositor_name>wseas:wseas</depositor_name><email_address>mdt@crossref.org</email_address></depositor><registrant>MDT Deposit</registrant></head><body><journal><journal_metadata language="en"><full_title>WSEAS TRANSACTIONS ON ENVIRONMENT AND DEVELOPMENT</full_title><issn media_type="electronic">2224-3496</issn><issn media_type="print">1790-5079</issn><archive_locations><archive name="Portico"/></archive_locations><doi_data><doi>10.37394/232015</doi><resource>http://wseas.org/wseas/cms.action?id=4031</resource></doi_data></journal_metadata><journal_issue><publication_date media_type="online"><month>1</month><day>2</day><year>2024</year></publication_date><publication_date media_type="print"><month>1</month><day>2</day><year>2024</year></publication_date><journal_volume><volume>20</volume><doi_data><doi>10.37394/232015.2024.20</doi><resource>https://wseas.com/journals/ead/2024.php</resource></doi_data></journal_volume></journal_issue><journal_article language="en"><titles><title>Building Economic Sustainability of the Energy Sector: How Purchasing Performance and Material Inventory Performance Influence Sustainable Economic Levels Moderated by Fiscal Term</title></titles><contributors><person_name sequence="first" contributor_role="author"><given_name>Firera</given_name><surname>Firera</surname><affiliation>Department of Business Administration, Faculty of Administrative Sciences, University of Brawijaya, Veteran St., Ketawanggede, Kec. Lowokwaru, Malang City, East Java 65145, INDONESIA</affiliation></person_name><person_name sequence="additional" contributor_role="author"><given_name>Mochammad</given_name><surname>Al Musadieq</surname><affiliation>Department of Business Administration, Faculty of Administrative Sciences, University of Brawijaya, Veteran St., Ketawanggede, Kec. Lowokwaru, Malang City, East Java 65145, INDONESIA</affiliation></person_name><person_name sequence="additional" contributor_role="author"><given_name>Solimun</given_name><surname>Solimun</surname><affiliation>Department of Statistics, Faculty of Mathematics and Natural Sciences, University of Brawijaya, Veteran St., Ketawanggede, Kec. Lowokwaru, Malang City, East Java 65145, INDONESIA</affiliation></person_name><person_name sequence="additional" contributor_role="author"><given_name>Benny</given_name><surname>Hutahayan</surname><affiliation>Department of Business Administration, Faculty of Administrative Sciences, University of Brawijaya, Veteran St., Ketawanggede, Kec. Lowokwaru, Malang City, East Java 65145, INDONESIA</affiliation></person_name></contributors><jats:abstract xmlns:jats="http://www.ncbi.nlm.nih.gov/JATS1"><jats:p>This research investigates the relationship between purchasing performance and material inventory performance with the fiscal term as a moderating variable on sustainable economic levels in Indonesia's upstream oil and gas industry. Data were collected over five years (2017-2021) from 26 Production Sharing Contract Contractors (PSCC) in Indonesia during the preliminary Plan of Development (POD) phase. This research uses Structural Equation Modeling (SEM). The results showed that purchasing performance significantly affects sustainable economic levels, and material inventory performance has no significant effect on sustainable economic levels. Fiscal term moderation on the influence of purchasing arrangements on sustainable economic levels has a significant impact. In contrast, fiscal term moderation on the influence of material inventory performance on sustainable economic levels has an insignificant effect. This research provides a comprehensive framework by explaining the influence of purchasing performance and material inventory performance with the fiscal term moderating variable on sustainable economic levels as a novelty in this research.</jats:p></jats:abstract><publication_date media_type="online"><month>4</month><day>15</day><year>2024</year></publication_date><publication_date media_type="print"><month>4</month><day>15</day><year>2024</year></publication_date><pages><first_page>95</first_page><last_page>107</last_page></pages><publisher_item><item_number item_number_type="article_number">11</item_number></publisher_item><ai:program xmlns:ai="http://www.crossref.org/AccessIndicators.xsd" name="AccessIndicators"><ai:free_to_read start_date="2024-04-15"/><ai:license_ref applies_to="am" start_date="2024-04-15">https://wseas.com/journals/ead/2024/a225115-1114.pdf</ai:license_ref></ai:program><archive_locations><archive name="Portico"/></archive_locations><doi_data><doi>10.37394/232015.2024.20.11</doi><resource>https://wseas.com/journals/ead/2024/a225115-1114.pdf</resource></doi_data><citation_list><citation key="ref0"><doi>10.1038/s41560-019-0350-1</doi><unstructured_citation>Ansari, E., &amp; Kaufmann, R. 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