{"id":109,"date":"2025-05-09T14:55:27","date_gmt":"2025-05-09T14:55:27","guid":{"rendered":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/?page_id=109"},"modified":"2026-03-09T17:25:53","modified_gmt":"2026-03-09T17:25:53","slug":"user-guide-to-pwr-database","status":"publish","type":"page","link":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/?page_id=109","title":{"rendered":"User guide to PWR database"},"content":{"rendered":"\n<p class=\"has-luminous-vivid-amber-color has-text-color has-link-color wp-elements-51910f9c4f633762a1587809359d207a\"><br><strong>Abbreviations used in prices databases<\/strong><a href=\"http:\/\/pwr-portugal.ics.ul.pt\/wp-content\/uploads\/userguidetpd_1.jpg\"><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image alignright size-full is-resized wp-duotone-unset-1\"><img loading=\"lazy\" decoding=\"async\" width=\"1077\" height=\"796\" src=\"https:\/\/pwr-portugal.iseg.ulisboa.pt\/wp-content\/uploads\/2025\/04\/silvaporto.png\" alt=\"\" class=\"wp-image-13\" style=\"aspect-ratio:1.353046842614343;width:523px;height:auto\" srcset=\"https:\/\/pwr-portugal.iseg.ulisboa.pt\/wp-content\/uploads\/2025\/04\/silvaporto.png 1077w, https:\/\/pwr-portugal.iseg.ulisboa.pt\/wp-content\/uploads\/2025\/04\/silvaporto-300x222.png 300w, https:\/\/pwr-portugal.iseg.ulisboa.pt\/wp-content\/uploads\/2025\/04\/silvaporto-1024x757.png 1024w, https:\/\/pwr-portugal.iseg.ulisboa.pt\/wp-content\/uploads\/2025\/04\/silvaporto-768x568.png 768w\" sizes=\"auto, (max-width: 1077px) 100vw, 1077px\" \/><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><strong>alm<\/strong>&nbsp;= almude (mudd, liquid measure)<br><strong>alq<\/strong>&nbsp;= alqueire (bushel, dry measure)<br><strong>arr t<\/strong>&nbsp;= arr tel (a pound weight of sixteen ounces \u2013 16 oz, approximately 459 grams)<br><strong>arrob<\/strong>&nbsp;= arroba (a thirty-two pounds weight, approximately 15 kg )<br><strong>can<\/strong>&nbsp;= canada (liquid measure equal to 1\/12 of the almude)<br><strong>doz<\/strong>&nbsp;= dozen<br><strong>gr<\/strong>&nbsp;= grams<br><strong>gs<\/strong>&nbsp;= grams of silver<br><strong>lt<\/strong>&nbsp;= litre<br><strong>kg<\/strong>&nbsp;= kilogramme<br><strong>on a<\/strong>&nbsp;= ounce<br><strong>quart&nbsp;<\/strong>= quartilho (pint, liquid measure equal to 1\/48 of the almude)<br><strong>rs<\/strong>&nbsp;= r is (Portuguese monetary unit)<br><strong>unit<\/strong>&nbsp;= unity<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-24bda8e74dfe226460c38a93350391a5\"><strong>Abbreviations used in wages databases<\/strong><\/h3>\n\n\n\n<p class=\"has-small-font-size\"><strong>gs<\/strong>&nbsp;= grams of silver<br><strong>HTS<\/strong>&nbsp;= Hospital de Todos os Santos (All Saints Hospital)<br><strong>other inst<\/strong>&nbsp;= other institutions<br><strong>rel inst<\/strong>&nbsp;= religious institutions<br><strong>rs<\/strong>&nbsp;= r is (Portuguese monetary unit)<\/p>\n\n\n\n<p class=\"has-small-font-size\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-458d1191bf9bd50cf1be57475e8f456a\"><strong>Abbreviations of sources<\/strong><\/h3>\n\n\n\n<p class=\"has-small-font-size\"><strong>Lisbon databases<\/strong><\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>AMLx<\/strong>&nbsp;= Arquivo Hist rico Municipal de Lisboa<br><strong>ANTT<\/strong>&nbsp;= National Archive (Arquivo Nacional da Torre do Tombo)<br><strong>ASCMAlm<\/strong>&nbsp;= Arquivo Hist rico da Santa Casa da Miseric rdia de Almada<br><strong>ASCMLx<\/strong>&nbsp;= Arquivo Hist rico da Santa Casa da Miseric rdia de Lisboa<br><strong>ATC<\/strong>&nbsp;= Arquivo Hist rico do Tribunal de Contas (Lisbon)<br><strong>BPA<\/strong>&nbsp;= Biblioteca da Ajuda (at the National Palace of Ajuda, Lisbon)<br><strong>CMoeda<\/strong>&nbsp;= Arquivo da Casa da Moeda de Lisboa<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Porto databases<\/strong><br><br><strong>ADP<\/strong>&nbsp;= Arquivo Distrital do Porto<br><strong>AHMP<\/strong>&nbsp;= Arquivo Hist rico Municipal do Porto<br><strong>ASCMP<\/strong>&nbsp;= Arquivo da Santa Casa da Miseric rdia do Porto<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Coimbra databases<\/strong><br><br><strong>AHMC<\/strong>&nbsp;= Arquivo Hist rico Municipal de Coimbra<br><strong>ASCMC<\/strong>&nbsp;= Arquivo da Santa Casa da Miseric rdia de Coimbra<br><strong>AUC<\/strong>&nbsp;= Arquivo da Universidade de Coimbra<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Images<\/strong><br><br><strong>AS<\/strong>&nbsp;= Antiquary Association (London)<br><strong>BML<\/strong>&nbsp;= Biblioteca Medicea Laurenziana (Medicea Laurenziana Library, Florence, It lia)<br><strong>BN<\/strong>&nbsp;= Biblioteca Nacional (National Library, Lisbon)<br><strong>Col AAF<\/strong>&nbsp;= Collection A. A. Ferreira (Gaia)<br><strong>Col PNC<\/strong>&nbsp;= Collection Prof Nabais Conde (Coimbra)<br><strong>GHCP<\/strong>&nbsp;Gabinete de Hist ria da Cidade do Porto (History Cabinet of the City of Porto)<br><strong>JZLx<\/strong>&nbsp;= Jardim Zool gico de Lisboa (Lisbon Zoo)<br><strong>Lx<\/strong>&nbsp;= Lisbon<br><strong>MC<\/strong>&nbsp;= Museu da Cidade (Lisbon City Museum)<br><strong>MNAA<\/strong>&nbsp;= Museu Nacional de Arte Antiga (Ancient Art National Museum, Lisbon)<br><strong>MNMC<\/strong>&nbsp;= Museu Nacional de Machado de Castro (Machado de Castro National Museum, Coimbra)<br><strong>MN,CM<\/strong>&nbsp;= Museu Numism tico Portugu s, Casa da Moeda (Numismatic Museu, Mint House, Lisbon)<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-secondary-color has-text-color has-link-color has-medium-font-size wp-elements-f56e4680559203e312e0c452696c8edf\"><strong>Notes on the compilation of the series in the PWR database data<\/strong><\/h3>\n\n\n\n<p class=\"has-small-font-size\"><strong>The Sources<\/strong><\/p>\n\n\n\n<p class=\"has-small-font-size\">The series of prices, wages and rents presented here were obtained from the archives of a variety of institutions, namely hospitals, charitable institutions (Miseric rdias), convents and monasteries, the royal palaces, municipal bodies (including those which regulated markets), the University of Coimbra, seminaries, and from legislation in general.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>The Method<\/strong><\/p>\n\n\n\n<p class=\"has-small-font-size\">Throughout the collection of these data preference was always given to those arising out of market transactions. Occasionally, however, when there was no alternative, we resorted to information of a non-market nature, such as prices or wages administered by public bodies, at the national and local levels. These are signalled in the base with an asterisk.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Prices<\/strong><a href=\"http:\/\/pwr-portugal.ics.ul.pt\/wp-content\/uploads\/userguidetpd_3.jpg\"><\/a><\/p>\n\n\n\n<p class=\"has-small-font-size\">Prices shown are annual and always refer to the principal city of the three regions selected for this study. In other words, they are no \u201cnational\u201d prices. For each year,the&nbsp;<em>modus operandi&nbsp;<\/em>was to collect information for all the transactions which occured in one or more institutions during the four months which were chosen as being representative of the seasons of the agricultural calender. This principle, however, was not applied rigidly, given that sufficient data was not always available.<\/p>\n\n\n\n<p class=\"has-small-font-size\">Each annual price was obtained by dividing the total value of all the transactions in that year, for which prices and quantities were available, by the the total amount of merchandise transacted. In other words, it is a mean of prices weighted by quantities.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><strong>Wages<\/strong><\/p>\n\n\n\n<p class=\"has-small-font-size\">Like prices,wages are annual and always refer to the principal city of the three regions selected for this study. For each year,the&nbsp;<em>modus operandi&nbsp;<\/em>is similar to the one followed for prices.<\/p>\n\n\n\n<p class=\"has-small-font-size\">Wages are divided into two categories: daily wages and monthly or annual salaries. Daily wages are, generally, dry wages. Quite the opposite, annual salaries often include supplements (housing, foodstuffs, fees) which were recorded and added to cash salary in column B.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abbreviations used in prices databases alm&nbsp;= almude (mudd, liquid measure)alq&nbsp;= alqueire (bushel, dry measure)arr t&nbsp;= arr tel (a pound weight of sixteen ounces \u2013 16 oz, approximately 459 grams)arrob&nbsp;= arroba (a thirty-two pounds weight, approximately 15 kg )can&nbsp;= canada (liquid measure equal to 1\/12 of the almude)doz&nbsp;= dozengr&nbsp;= gramsgs&nbsp;= grams of silverlt&nbsp;= litrekg&nbsp;= kilogrammeon a&nbsp;= [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-109","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=\/wp\/v2\/pages\/109","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=109"}],"version-history":[{"count":5,"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=\/wp\/v2\/pages\/109\/revisions"}],"predecessor-version":[{"id":251,"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=\/wp\/v2\/pages\/109\/revisions\/251"}],"wp:attachment":[{"href":"https:\/\/pwr-portugal.iseg.ulisboa.pt\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}