Jarosław Plichta (2019/3, Articles,
Measurement of Transaction Costs: Different Approaches and Research Perspective
The aim of the article is to present various approaches to measuring transaction costs at both micro- and macroeconomic levels, and a proposal for the direction of integrating research in this field. The study of transaction costs conducted since the 1970s brought a number of inspiring conclusions regarding the role of such costs in the economy, indicating their key importance in the (...)
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$zapytanie2 = "select * from ksiazki where isbn > 99999999 and wyczerpany = '0' and oferta_specjalna = '0'";
$wynik2 = $dba->query($zapytanie2);
$ile2 = $wynik2->num_rows;
$rmax = rand(1, $ile2);
for ($i = 1; $i <= $rmax; $i++)
{
$wiersz2 = $wynik2->fetch_assoc();
}
$isbn = stripslashes($wiersz2['isbn']);
$tytul = stripslashes($wiersz2['tytul']);
$autor = stripslashes($wiersz2['autor']);
$cenadet = stripslashes($wiersz2['cenadet']);
$cenaprom = stripslashes($wiersz2['cenaprom']);
$cenapdf = stripslashes($wiersz2['cenapdf']);
$strony = stripslashes($wiersz2['liczbastron']);
$oprawa = stripslashes($wiersz2['oprawa']);
echo "
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$zapytanie2 = "select * from ksiazki where isbn > 99999999 and isbn != '".$isbn."' and wyczerpany = '0' and oferta_specjalna = '0'";
$wynik2 = $dba->query($zapytanie2);
$ile2 = $wynik2->num_rows;
$rmax = rand(1, $ile2);
for ($i = 1; $i <= $rmax; $i++){ $wiersz2 = $wynik2->fetch_assoc(); }
$isbn = stripslashes($wiersz2['isbn']);
$tytul = stripslashes($wiersz2['tytul']);
$autor = stripslashes($wiersz2['autor']);
$cenadet = stripslashes($wiersz2['cenadet']);
$cenapdf = stripslashes($wiersz2['cenapdf']);
$strony = stripslashes($wiersz2['liczbastron']);
$oprawa = stripslashes($wiersz2['oprawa']);
echo "
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